Question | Answer |
The study of matter | Chemistry |
Anything that has mass and takes up space | matter |
smallest piece of matter | atom |
What charge does a proton have? | positive charge |
What charge does a neutron have? | No charge |
What charge does a electron have? | negative charge |
What is the center of an atom called? | nucleus |
How many electrons can be on level 2? | 8 |
How many electrons can be on level 1? | 2 |
How many electrons can be on level 3? | 18 |
What are pure ingredients of matter? | elements |
What is the symbol of hydrogen | H |
What is the element name of He | Helium |
What is the symbol of oxygen | O |
What is the element name of N | Nitrogen |
What is the symbol of chlorine | Cl |
What is the element name for Li | Lithium |
what is the symbol of carbon | C |
What is the element name for F | Fluorine |
What is the symbol of neon | Ne |
What is the element name for Na | sodium |
What is the symbol of magnesium | Mg |
What is the element name of Al | Aluminum |
What is the symbol of silicon | Si |
What is the element name for P | Phosphorus |
What is the symbol of sulfur | S |
What the element name for K | Potassium |
What is the symbol of calcium | Ca |
What is the element name for Ni | Nickel |
What is the symbol of tin | Sn |
What is the element name of Ag | silver |
What is the symbol of gold | Au |
what is the element name of Pt | platinum |
What is the symbol of arsenic | As |
What is the element name of Pb | Lead |
What is the symbol of zinc | Zn |
What is the element name of Hg | mercury |
what is the symbol of iodine | I |
what is the element name of Cu | copper |
What is the symbol of Barium | Ba |
What is the element name of Fe | iron |
Held by opposite forces | Ionic bond |
What is a charged atom | ion |
Share electrons | Covalent bond |
2 or more elements joined
keep properties
easy to seperate | mixture |
2 or elements joined
becomes a new substance | compound |
# of particles within a unit of space | density |
What is the fraction for density | density=Mass/volume |
What are the four states of matter | solid, liquid, gas, plasma |
temp at which a solid changes to a liquid | melting point |
temp at which a liquid changes to a gas | boiling point |
describe matter using 5 senses | physical properties |
change matters appearance, but still the same substance | physical change |
when on substance changes into a new substance | chemical change |
What color does an acid turn to | red, pink, orange |
What color does a base turn to | blue, green, yellow |
acid+base= ? | water |
Is soda and vinegar an acid or a base? | acid |
Is toothpaste and bleach an acid or a base? | base |
On the pH scale, is 7 (neutral) equals what substance? | water |
What is measured on pH scale? | Acids and Bases |