Matter
Elemental
Periodic Table
Chemical Formulas
Chemical Reactions
100

the amount of space an object takes up

volume

100

is a pure substance made of more than one type of atom that are chemically joined.

compound

100

Which is the atomic number of silver?

47

100

How many atoms are in NH3

4

100

is needed to start a chemical reaction

reactant

200

liquid to gas

deposition

200

has properties of metals and nonmetals.

metalloid

200

What is matter that is shiny, malleable, and ductile?

metal

200

numbers used to balance equations

coefficients

200

the result of a chemical reaction

product

300

mass of an object per unit of volume

density

300

Which type of particle is found in the cloud around the nucleus and has a negative charge?

electron

300

How many valence electrons does chlorine have?

7

300

Which are the reactants? 

CH4 + O2  → CO2 + H2O

CH4 + O2

300

a solid formed in a chemical reaction

precipitate

400

solid to gas

sublimation

400

Which type of particle is located in the nucleus and has no charge?

neutron

400

Which group is sodium in?

1

400

Which elements are represented by the chemical formula NaHCO2?

sodium, hydrogen, carbon, oxygen

400

turns litmus paper blue

base
500

the only substance to exist naturally as a solid, liquid and gas

water

500

Which two of these formulas have an equal number of carbon atoms present?

1– MG3(PO4)2
2– Na2SO4
3– NO3 (C2H3)3
4– C6H12O6
5– AI(NO3)3

3– NO3 (C2H3)3
4– C6H12O6

500

Is silicon a metal, nonmetal, or metalloid?

metalloid

500

(NH4)2SO4 is the chemical formula for ammonium sulfate. How many hydrogen atoms are represented in this formula?

8

500

Which type of solution is one with a pH of 5?

acidic

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