Openstax™ Chemistry Chapter 1

Question 1

Which of the following is not mentioned as one of the domains of chemistry?

Accepted Answer

the atomic domain

Question 2

A set of data can be accurate without being precise

Accepted Answer

True

Question 3

What is 20 x 4000, using scientific notation?

Accepted Answer

8 x 10^4

Question 4

What does mercury (II) oxide decompose into?

Accepted Answer

Mercury metal and oxygen gas

Question 5

A chemical change is one in which no new matter is formed

Accepted Answer

False

Question 6

Which gas is the densest?

Accepted Answer

Radon

Question 7

What's the density of antifreeze in g/mL? 4.00-qt of it weighs 9.26 lb. (1lb = 453.59 g; 1 L = 1.0567 qt)

Accepted Answer

1.11 g/ml

Question 8

According to the video, plasma takes the shape and volume of its container

Accepted Answer

True

Question 9

Why did the law of conservation of matter take so long to be discovered?

Accepted Answer

Convincing examples are few and far between

Question 10

What does a yellow 3 on the hazard diamond mean?

Accepted Answer

Shock and heat may detonate

Question 11

What is the SI unit for electric current?

Accepted Answer

ampere

Question 12

How many significant figures does the answer to 80 x 432.2 have?

Accepted Answer

1

Question 13

How many significant figures are there in 9800.0?

Accepted Answer

5

Question 14

How many carbon atoms across is a strand of spider silk?

Accepted Answer

7000

Question 15

About how many different elements are found in a smart phone?

Accepted Answer

35

Question 16

How many elements are there?

Accepted Answer

118

Questions 16