EMS Semester Exam Review

Question 1

According to the periodic table, all of the following are nonmetals except-

Accepted Answer

calcium

Question 2

The element in Group 5, Period 4 on the Periodic Table is best classified as a -

Accepted Answer

metal

Question 3

Which element on the periodic table has 18 protons, 18 electrons, and 22 neutrons?

Accepted Answer

argon

Question 4

What is the first thing you should always write on your assignments?

Accepted Answer

name

Question 5

What elements are contained in the compound LiBr?

Accepted Answer

Lithium & Bromine

Question 6

How quickly an object travels...

Accepted Answer

speed

Question 7

Which of the following subatomic particles has a positive charge?

Accepted Answer

protons

Question 8

A change in speed or direction...

Accepted Answer

acceleration

Question 9

What subatomic particle is found in the nucleus and has a neutral charge?

Accepted Answer

neutrons

Question 10

Which of the following subatomic particles has a negative charge?

Accepted Answer

electrons

Question 11

What subatomic particle surrounds the nucleus of an atom and has a negative charge?

Accepted Answer

electrons

Question 12

Which law states that matter can neither be created or destroyed...just rearranged.

Accepted Answer

Law of Conservation of Mass

Question 13

Which elements are most similar?

Accepted Answer

Cu & Ag

Question 14

What is the sum of all the protons and neutrons in an atom?

Accepted Answer

mass number

Question 15

Which of the following is the best example of a physical change?

Accepted Answer

cutting hair

Question 16

The number 3 in 3H2O indicates that there are_

Accepted Answer

3 molecules of water

Question 17

What subatomic particle(s) are found in the nucleus of an atom?

Accepted Answer

Protons & Neutrons

Question 18

What are clusters of billions of stars?

Accepted Answer

Galaxies

Question 19

Which of the following is a noble gas?

Accepted Answer

Ne

Question 20

Objects in motion stay in motion, objects at rest stay at rest until acted by unbalanced force.

Accepted Answer

law of inertia

Questions 20