Counting Atoms

Question 0

Compound: a _____________ made of two or more ________ that have been chemically ____________

Answer 0

A SUBSTANCE made of two or more ELEMENTS that have been chemically COMBINED

Question 1

A ________ is a particle made up of two or more _______ that are __________ together

Answer 1

A MOLECULE is a particle made up of two or more ATOMS that are BONDED together

Question 2

A ___________ is a combination of symbols that represent the _________ in a ___________

Answer 2

A FORMULA is a combination of symbols that represent the ELEMENTS in a COMPOUND

Question 3

NaCl is a _________ for ___________

Answer 3

NaCl is a FORMULA for TABLE SALT

Question 4

Besides identifying the elements in a __________ a formula also shows the _________ of the different ________ that makes up that substance.

Answer 4

Besides identifying the elements in a COMPOUND a formula also shows the RATIO of the different ATOMS that makes up that substance.

Question 5

These are used to show the ratio of the atom of different elements in a chemical compound

Answer 5

Subscripts

Question 6

Can subscripts be changed

Answer 6

No

Question 7

A number placed in front of a chemical formula I an equation; multiplies the entire molecule

Answer 7

Coefficient

Question 8

So what is this……. 2H2O

Answer 8

4 Hydrogen and 2 Oxygen

Question 9

Can you change a subscript?
A. Yes
B. No
C. Sometimes 
D. All of the time

Answer 9

B. No

Question 10

A combination of symbols that represent the elements in a compound
A. Formula
B. Subscripts
C. Molecules

Answer 10

A. Formulas