Chem TAKS
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Atom | the smallest piece of an element
🗑
|
||||
| Proton | particle in the nucleus of an atom with a positive charge
🗑
|
||||
| Neutron | particle in the nucleus of an atom that does not have a charge
🗑
|
||||
| Electron | particle found outside of the nucleus (shell/cloud) and has a negative charge
🗑
|
||||
| Atomic Number | the number of protons in an atom (also electrons)
🗑
|
||||
| Isotopes | atoms of the same element such as hydrogen but with different numbers of neutrons
🗑
|
||||
| Mass Number | the number of both protons and neutrons in an atom
🗑
|
||||
| Periodic Table | a way of organizing all of the elements found in the universe
🗑
|
||||
| Periods | horizontal rows on the Periodic Table (The period number is the number of shells)
🗑
|
||||
| Groups/Families | vertical columns on the Periodic Table where elements have similar chemical properties.
🗑
|
||||
| Valence Electrons | the number of outer electrons in an atom. (It is the Group Number for the Main Elements) 1/2/3b...8b
🗑
|
||||
| Metals | elements on the LEFT side of the Periodic Table that are usually soft/shiny/malleable/ductile/low specific heat/high melting points/good conductors
🗑
|
||||
| Non-metals | elements on the RIGHT side of the Periodic table that are usually dull
🗑
|
||||
| Transition Metals | elements in the middle of the Periodic Table
🗑
|
||||
| Metalloids | elements along the zig zag stair case that have properties of both metals and nonmetals
🗑
|
||||
| Element | a substance made up of only one atom
🗑
|
||||
| Compound | a substance made up of two or more elements that have been chemically combined
🗑
|
||||
| Mixture | two or more substances brought together but are not combined chemically and still keep their same properties
🗑
|
||||
| Matter | anything that has mass and takes up space
🗑
|
||||
| States of Matter | solid/liquid/gas/plasma
🗑
|
||||
| Solid | has a definite shape and definite volume
🗑
|
||||
| Liquid | has a definite volume but not a definite shape
🗑
|
||||
| Gas | does not have a definite volume or shape
🗑
|
||||
| Plasma | a gas at high temperatures where it has become electrically charged (lightning/fluorescent lights/Auroras/stars)
🗑
|
||||
| Physical Changes | a change where the material keeps it's same properties such as tearing
🗑
|
||||
| Evaporation | physical change where a liquid becomes a gas (usually due to increasing temperature)
🗑
|
||||
| Condensation | physical change where a gas becomes a liquid (usually due to cooler temperatures)
🗑
|
||||
| Chemical Changes | change where a substance is changed into a new substance with new properties after a chemical reaction
🗑
|
||||
| Physical Properties | properties that describe the appearance of a substance such as color/shape/texture/luster/melting point/mass/density/etc.
🗑
|
||||
| Texture | the surface features of a substance (smooth/rough) Physical Property
🗑
|
||||
| Luster | describes how a substance reflects light (shiny/metallic/dull)
🗑
|
||||
| Physical Property | describes the appearance of a material
🗑
|
||||
| Ductile | physical property of metals being pulled or stretched into wire without breaking
🗑
|
||||
| Malleable | physical property of metals being hammered into sheets or bent into different shapes without breaking
🗑
|
||||
| Mass | the amount of matter in an object (measured with a balance) (unit is gram) Does not change
🗑
|
||||
| Volume | the amount of space an object takes up (measured with graduated cylinder or ruler) (units are ml or cm3)
🗑
|
||||
| Density | the measure of how squeezed together particles are in an object ( units are g/ml or g/cm3)
🗑
|
||||
| Melting Point | the temperature at which a solid changes to a liquid
🗑
|
||||
| Boiling Point | the temperature at which a liquid changes to a gas
🗑
|
||||
| Chemical Properties | properties that describe how a substance will react chemically with another substance
🗑
|
||||
| Flammability | the ease atwhich a material will burn
🗑
|
||||
| Corrosive | the ability of a substance to destroy another substance through a chemical reaction (acids corrode metals)
🗑
|
||||
| Reactivity | the degree that a substance will react chemically
🗑
|
||||
| Toxicity | the degree that a substance can damage an organism
🗑
|
||||
| Subscript | the number written below an element that indicates the number of atoms present (example H2O)
🗑
|
||||
| Coefficient | the number written in front of a formula that indicates the number of molecules that are present (example 3HCl)
🗑
|
||||
| Law of Conservation of Mass | the mass of the reactants will be the same as the mass of the products. Matter is not created or destroyed.
🗑
|
||||
| Reactants | the substances on the left side of an equation involved in the reaction
🗑
|
||||
| Products | the substances on the right hand side of an equation that are formed in a reaction
🗑
|
||||
| Exothermic | a reaction where heat is released ( the beaker gets hot)
🗑
|
||||
| Endothermic | a reaction where heat is absorbed (the beaker gets cold)
🗑
|
||||
| Chemical Bond | the force of attraction that holds atoms together in compounds or molecules
🗑
|
||||
| Signs of a Chemical Reaction | color change/new odor/bubbling/temperature change/solid precipitate
🗑
|
||||
| Model | a simple or abstract way of representing something. Example: used to describe atoms
🗑
|
||||
| Mass | the measure of the amount of matter in an object. (Instrument-balance) (Unit is grams) ( NEVER CHANGES)
🗑
|
||||
| Volume | the measure of the amount of space an object takes up. (Instrument-graduated cylinder or ruler) (unit is ml or cm3)
🗑
|
||||
| Density | the amount of matter squeezed into a certain space. (unit- g/ml or g/cm3). Physical Property
🗑
|
||||
| Buoyancy | The upward force exerted on an object that is placed in a fluid
🗑
|
||||
| Archimedes Principle | The buoyancy force is equal to the weight of water that is displaced by the object
🗑
|
||||
| Pure Substance | An element or compound.
🗑
|
||||
| Mixture | Two or more substances that are brought together but do not combine chemically.
🗑
|
||||
| Homogeneous mixture | A mixture that has the same composition throughout ( example: salt water)
🗑
|
||||
| Heterogeneous mixture | A mixture that does not have the same composition throughout. ( example: salad pizza)
🗑
|
||||
| sublimation | A change in state from a solid straight to a gas ( example- dry ice )
🗑
|
||||
| polar | the uneven arrangement of electrons in a molecule ( one end is slightly positive one negative)
🗑
|
||||
| adhesion | The tendency of a material to stick to another material ( water-glass )
🗑
|
||||
| cohesion | The tendency of molecules to be slightly attracted to each other (water beading up)
🗑
|
||||
| Ionic bond | A bond that results from the gaining or losing of electrons ( metals-nonmetals)
🗑
|
||||
| Covalent bond | A bond that results from the sharing of electrons (nonmetals - nonmetals
🗑
|
||||
| Solubility | A property that describes how much solute can be dissolved at a given temperature
🗑
|
||||
| specific heat | the amount of heat needed to change the temperature of a substance
🗑
|
||||
| viscosity | the measure of a substance's resistance to pour
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
rdyson
Popular Chemistry sets