Atoms and the Periodic table Review

Question 1

True or false: Protons are smaller than quarks?

Accepted Answer

false

Question 2

What is atomic mass?

Accepted Answer

mass of protons and neutrons

Question 3

What is the ability to be drawn into wire?

Accepted Answer

ductile

Question 4

A _______________ are elements with the same number of protons but different number of neutrons

Accepted Answer

isotope

Question 5

Where are electrons found in an atom?

Accepted Answer

electron cloud

Question 6

Which element is in group 1A?

Accepted Answer

Na

Question 7

What is the ability to be hammered into sheets

Accepted Answer

malleability

Question 8

How can you find the number of protons in an atom?

Accepted Answer

atomic number

Question 9

What is the correct order of the atomic model, from oldest to youngest?

Accepted Answer

B,C,D,A

Question 10

How many electrons can fill the 2nd shell?

Accepted Answer

8

Question 11

Which of the following is NOT a subatomic particle?

Accepted Answer

atom

Question 12

What particles are found in the nucleus of the atom

Accepted Answer

protons and neutrons

Question 13

Atoms in group A are different from atoms in group B, because group B has

Accepted Answer

three energy shells

Question 14

_____________ are electrons in the outermost energy shell

Accepted Answer

valance electrons

Question 15

What makes up protons and neutrons

Accepted Answer

quarks

Question 16

The number of _________________ identifies an element

Accepted Answer

protons

Question 17

According to the chemical formula of phosphoric acid: H3PO4- which element is NOT present?

Accepted Answer

potassium

Question 18

Which of the following are the best conductors of electricity?

Accepted Answer

silver

Question 19

How many valance electrons do Noble gases have?

Accepted Answer

8

Question 20

Which of the following is NOT a property of a metal?

Accepted Answer

easily crumbles

Questions 20