Unit 3 Matter Study Guide

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14 questions

Ginny Corbett

•almost 6 years ago

Question 1

Open-ended

10 points

Which particle of an atom has a positive charge?

Question 2

Open-ended

10 points

Which particle of an atom has a negative charge?

Question 3

Open-ended

10 points

Which particle of an atom has a neutral charge?

Question 4

True/False

10 points

2C2 + HO3 → 2C4HO3 In the chemical equation above, the first part is the reactant.

A.True

B.False

Question 5

Multiple Choice

10 points

In a chemical formula, the coefficient tells us the number of

A.atoms

B.compounds

C.molecules

D.elements

Question 6

Multiple Choice

10 points

In a chemical formula, the subscript tells us the number of

A.atoms

B.compounds

C.molecules

D.elements

Question 7

Short Answer

10 points

Which element is the most abundant in the crust, air, water, and all living matter?

Question 8

Short Answer

10 points

How many elements are on the periodic table?

Question 9

Multiple Choice

10 points

The four pieces of information found on the Periodic Table of Elements are

A.atomic number, symbol, family, and compound type

B.molecule, atomic number, symbol, order of discovery

C.order of discovery, symbol, name, family

D.atomic number, symbol, name, atomic mass

Question 10

True/False

10 points

Matter cannot be broken down, nor added to, but can be transformed.

A.True

B.False

Question 11

Multiple Choice

10 points

K2Au is a

A.molecule

B.element

C.compound

Question 12

Multiple Choice

10 points

O2 is a

A.element

B.molecule

C.compound

Question 13

Short Answer

10 points

How many elements are in the following formula? 2Na2SO4

Question 14

Short Answer

10 points

How many atoms does Na have in the following chemical formula? 2Na2SO4