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Matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | In the middle and at the bottom. |
| Where are the least reactive elements on the periodic table? | The far right on the periodic table. |
| Where are the most reactive elements on the periodic table? | On the far left on the periodic table. |
| Where are the metalloids on the periodic table? | The zigzag group in the periodic table. |
| Where are the nonmetals on the periodic table? | On the upper right hand on the periodic table. |
| Where are the metals on the periodic table? | it's on the left on the periodic table. |
| What is the smallest part of an element? | Atom |
| What is the smallest part of a compound? | Molecule |
| What does a period represent? | energy levels |
| What does a group represent? | Numbers of valence electrons (also called a family) |
| What is the definition of mass? | Mass is a measure of the amount of matter in an object. |
| What is the Law of Conservation of Matter? | The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy. Matter is not created nor destroy. |
| What is the definition of density? | Density is a measure of mass per volume. The average density of an object equals its total mass divided by its total volume. |
| What is the formula for density? | The Density Calculator uses the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V). The calculator can use any two of the values to calculate the third. Density is defined as mass per unit volume. |
| What are the types of physical properties? | Appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and conductivity. |
| What are the types of chemical properties? | Reactivity with other chemicals. Toxicity. Coordination number. Flammability. Enthalpy of formation. Heat of combustion. Oxidation states. Chemical stability. |
| What is the definition of melting point? | The melting point of its solid form is the same as the freezing point of its liquid form, and depends on such factors as the purity of the substance and the surrounding pressure. same temperature as the freezing point |
| What is the definition of combustibility? | Combustibility is a measure of how easily a substance bursts into flame, through fire or combustion. This is an important property to consider when a substance is used for construction or is being stored. |
| What is the definition of reactivity? | The state or power of being reactive or the degree to which a thing is reactive. |
| What is the definition of boiling point? | The temperature at which a liquid boils and turns to vapor. the point at which anger or excitement breaks out into violent expression. liquid to gas |
| What is a solute? | Solute is just a few letters short of solution, a substance that is dissolved in liquid. In science classes, a solute might be part of your experiment. ... In sugar water, the solute is the sugar because it changes from solid to liquid. |
| What is a solvent? | A solvent is the component of a solution that is present in the greatest amount. It is the substance in which the solute is dissolved. Examples: The solvent for seawater is water. |
| What is a solution? | A solution is a homogeneous mixture of two or more substances. A solution may exist in any phase. A solution consists of a solute and a solvent. ... For example, in a saline solution, salt is the solute dissolved in water as the solvent. |
| What is a homogeneous mixture? | A homogeneous mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample. All parts are the same. |
| What is a heterogeneous mixture? | A heterogeneous mixture is simply any mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts. Parts not the same. |
| What does the atomic number represent? | Atomic number. The number of protons or electrons normally found in an atom of a given chemical element. The higher the atomic number, the heavier the atom is. In a neutral atom, the number of protons and electrons is the same. |
| What does the atomic mass represent? | Number of protons plus neutrons. |
| What is a noble gas? | Other characteristics of the noble gases are that they all conduct electricity, fluoresce, are odorless and colorless, and are used in many conditions when a stable element is needed to maintain a safe and constant environment. |
| How do you find the number of neutrons? | Atomic mass subtract Atomic number |
| What are reactants and products? | In a chemical reaction, substances (elements and/or compounds) called reactants. Changed into other substances (compounds and/or elements) called products. react = left products = right on the periodic table |
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Deathwish97
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