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Semester Science

Semester Exam Study Guide

______ Are formed by losing electrons Cations
The ending, or suffix, used for the names of negative ions formed when atoms gain electrons is..? -Ide
Atoms bond with eachother by _____ electrons Gaining, losing. and sharing
What type of bonds are present in table sugar, C12H22O11? Covalent bonds
_____ Occurs between atoms that share electrons Covalent bonding
When _____ are formed, electrons transfer between atoms Ionic bonds
According to Rutherford, what was in the center of an atom? A nucleus
In 1897, the British scientist, J.J. Thomson, discovered these negatively charged particles called? Electrons
Flourine is a member of which family? Halogens
Where on the Periodic Table of Elements are the noble gases found? The last column on the right
The elements separated from the others on the periodic table of elements are called? The rare earth elements
The elements in families #3-12 on the periodic table of elements are known as? Transition metals
On the Periodic Table of Elements, calcium is a member of which family? Alkaline earth metals
On the Periodic Table of Elements, where are the metals located? To the left of the zig zag line
Non-metals are located where on the periodic table? To the right of the zig zag line
Isotopes have a different number of..? Neutrons
Each vertical column on the periodic table is called a(an)? Group
The horizontal row on the periodic table is called..? Period
What is true of a heterogeneous mixture? It composes of components that aren't uniform, or they have localized regions that all have different properties.
Density is a ratio of? Mass/Volume
A meniscus is? Is formed when a liquid is in a tube
A measure of how much pulling or tension a material can withstand before breaking is Tensile strength
When compared to a high viscosity liquid, a liquid with low viscosity: Is easier to pour
List the phases of water in order, from the slowest molecule movement to the fastest Solid-Liquid-Gas
Evaporation occurs when..? A liquid changes to a gas
Condensation occurs when..? A gas changes to a liquid
When you eat a piece of fruit, the process of digestion involves Physical and chemical change
These numbers are written in when balancing equations Coefficients
The solid formed during a chemical reaction between 2 liquids Precipitate
Rust forming on a nail is an example of a ____ change Chemical
In this type of reaction, a single element switches places with another element Single replacement
The Law of ________ ___ is demonstrated when chemical equations are balanced Conservation of Matter
Chemical Property -Ability to rust -reactivity -flammability
Physical Property -Volume -mass Phase
Chemical change -digesting food -baking cookies -bicycle chain rusts
Physical change -cutting hair
How many electrons does the 1st, 2nd, 3rd, and 4th orbitals hold? 2, 6, 10, 14
Solve: __Al + __ O2 -> __Al2O3, and determine if its a Single Replacement, Double Replacement, Synthesis, Decomposition 4, 3, 2 and its a Synthesis
How many electrons does the 1st, 2nd, 3rd, and 4th shells hold? 2, 8, 18, 32
How do you find the number of neutrons? Atomic mass - atomic number
How do you find the mass of an object? Density x Volume
What is the lightest in an atom? The electron, it has a mass of 9.1 x 10-28 grams
what weighs the most in an atom? The nucleus
Subatomic particle Smaller than or occurring within an atom
What is the zig-zag called on the periodic table? SemiConductors
Who made the Periodic Table? Dmitri Mendeleev
Created by: 1962925332