Atoms and the Periodic Table

Question 1

It is a pure substance that cannot be broken down into simpler substances by a chemical reaction.

Answer 1

Element

Question 2

The position of an element in the periodic table tells us much about its ________ __________.

Answer 2

Chemical Properties

Question 3

The elements in the periodic table are divided into these three groups.

Answer 3

Metals, Nonmetals, Metalloids

Question 4

These are located on the right side of the periodic table.

Answer 4

Nonmetals

Question 5

These do not usually have a shiny appearance.

Answer 5

Nonmetal

Question 6

These are usually poor conductors of heat and electricity.

Answer 6

Nonmetals

Question 7

These can be solids, liquids, or gases at room temperature.

Answer 7

Nonmetals

Question 8

These are located on the solid line that starts at boron (B) and angles down towards astatine (At).

Answer 8

Metalloids

Question 9

These have properties intermediate between metals and nonmetals.

Answer 9

Metalloids

Question 10

These are located on the left side of the periodic table.

Answer 10

Metals

Question 11

These usually exist as shiny solids.

Answer 11

Metals

Question 12

These are good conductors of heat and electricity.

Answer 12

Metals

Question 13

These are solids at room temperature, except Mercury (Hg), a liquid.

Answer 13

Metals

Question 14

A pure substance formed by chemically combining two or more elements together.

Answer 14

Compound

Question 15

A chemical formula consists of _______ _______ and __________.

Answer 15

Element symbols and Subscripts

Question 16

All matter is composed of the same building blocks called?

Answer 16

Atom

Question 17

Atoms are composed of 3 _________ particles.

Answer 17

Subatomic

Question 18

What is the charge of proton?

Answer 18

+1

Question 19

What is the charge of neutron?

Answer 19

0

Question 20

What is the charge of electron?

Answer 20

-1

Question 21

What is the mass (amu) of proton?

Answer 21

1

Question 22

What is the mass (amu) of neutron?

Answer 22

1

Question 23

What is the mass (amu) of electron?

Answer 23

Negligible

Question 24

Where is the location of protons and neutrons?

Answer 24

Nucleus

Question 25

It is the dense core of the atom.

Answer 25

Nucleus

Question 26

It is the location of most of the atom’s mass.

Answer 26

Nucleus

Question 27

It is the location of electrons.

Answer 27

Electron cloud

Question 28

It comprises most of the atom’s volume.

Answer 28

Electron cloud

Question 29

Atomic number (Z) is the number of _______.

Answer 29

Protons

Question 30

Every atom of the same element has the same ______ ______.

Answer 30

Atomic number

Question 31

Every atom of a given element has the same number of _______.

Answer 31

Protons

Question 32

Number of protons is equal to the number of _________.

Answer 32

Electrons

Question 33

Are atoms of the same element that have a different atomic mass.

Answer 33

Isotopes

Question 34

Isotopes are atoms of the same element that have a different number of ________.

Answer 34

Neutrons

Question 35

Mass number = number of protons (Z) + number of *?

Answer 35

Neutrons