Chapter 3: Elements and the Periodic Table

Question 1

The most reactive group of nonmetals whose atoms gain or share 1 electron in reactions are the

Accepted Answer

halogens

Question 2

True or False: In an atom, the number of protons is equal to the number of electrons.

Accepted Answer

True

Question 3

You can find the number of protons in an atom by using the element's_____?

Accepted Answer

atomic number

Question 4

What particles are found in the nucleus of an atom?

Accepted Answer

neutrons and protons

Question 5

This element has ___ electrons

Accepted Answer

11

Question 6

The atomic number of this element is

Accepted Answer

6

Question 7

Dmitri Mendeleev created the first

Accepted Answer

periodic table

Question 8

If an object can be pulled into a long wire, then the object is

Accepted Answer

ductile

Question 9

Nonmetals appear to the______of the metalloid zig zag line.

Accepted Answer

right

Question 10

A mixture of free electrons and atomic nuclei is called

Accepted Answer

plasma

Question 11

The elements in a column are called a_______.

Accepted Answer

group, family

Question 12

The chemical symbol of this element is

Accepted Answer

C

Question 13

A row of elements in the periodic table is called a

Accepted Answer

period

Question 14

True or False: Nonmetals can be hammered into thin sheets.

Accepted Answer

False

Question 15

T/F: It is impossible to predict the properties a element by its position in the periodic table

Accepted Answer

False

Question 16

The most reactive group of metals in the periodic table is the

Accepted Answer

alkali metals

Question 17

Because atoms are so small, scientists create_______to describe them

Accepted Answer

models

Question 18

True or False: Heat and electricity can easily flow through metals.

Accepted Answer

True

Question 19

Which is a property of nonmetals?

Accepted Answer

not shiny

Question 20

Metals appear to the _______of metalloid zig zag line.

Accepted Answer

left

Question 21

This element has ___ neutrons

Accepted Answer

12

Question 22

The average mass of all the isotopes of an element is called the element's

Accepted Answer

atomic mass

Question 23

Elements that have some properties of both metals and nonmetals are called

Accepted Answer

metalloids

Question 24

The average mass of all the isotopes of an element is called the element's

Accepted Answer

atomic mass

Question 25

The periodic table generally DOES NOT include the element's

Accepted Answer

number of isotopes

Question 26

The mass of this element is

Accepted Answer

12.011

Question 27

This element has ___ protons

Accepted Answer

11

Question 28

Atoms with the same number of protons but different numbers of neutrons are called

Accepted Answer

isotopes

Question 29

True/False: Electrons move rapidly around the nucleus and have a negative charge.

Accepted Answer

True

Question 30

The name of this element is

Accepted Answer

Carbon

Question 31

The particle of an atom that can be lost, gained, or shared in chemical reactions is

Accepted Answer

electrons

Chapter 3: Elements and the Periodic Table

Questions 31

Chapter 3: Elements and the Periodic Table

Questions 31