Physical Science: Chapter 4 Review Atoms and Nomenclature

Question 1

An atoms mass number equals the number of and in the nucleus of the atom.

Accepted Answer

protons, neutron

Question 2

modern theories state, exact location of electrons circling the nucleus of atom are uncertain

Accepted Answer

True

Question 3

Elements in the same period have the same number of electron shells or energy levels.

Accepted Answer

True

Question 4

The formula for Iron (III) oxide

Accepted Answer

Fe2O3

Question 5

A neutron has a charge on it.

Accepted Answer

neutral / no

Question 6

The elements classified as semiconductors can also be called semi-nonconductors.

Accepted Answer

False

Question 7

The subatomic particle that is found in the nucleus of an atom and has a positive charge is the

Accepted Answer

proton

Question 8

Neutrons and protons are found circling the nucleus of an atom.

Accepted Answer

False

Question 9

A subatomic particle that has no charge and that is found in the nucleus of an atom.

Accepted Answer

neutron

Question 10

What is the chemical name for the compound CuSO4

Accepted Answer

Copper (II) sulfate

Question 11

The formula for Sodium phosphate is

Accepted Answer

Na3PO4

Question 12

Which statement about alkali metals is correct.

Accepted Answer

They are located in family or group 1 of the periodic table.

Question 13

Groups 1 -18 at the top of the PT table represent groups & families

Accepted Answer

True

Question 14

The farther an orbiting electron is from the nucleus of its atom the more energy it has.

Accepted Answer

True

Question 15

The formula for Barium acetate is

Accepted Answer

Ba(C2H3O2)2

Question 16

An electron has a charge on it.

Accepted Answer

negative

Question 17

The chemical name for the compound N2F4 is

Accepted Answer

dinitrogen tetrafluoride

Question 18

Alkali metals are extremely reactive because they

Accepted Answer

have 1 valence electron that is removed to form a + ion

Question 19

According to Bohr's model of the atom, electrons behave like

Accepted Answer

planets orbiting a sun

Question 20

A proton has a charge on it.

Accepted Answer

positive

Question 21

An individual atom has a neutral electric charge because they an equal number of

Accepted Answer

protons and electrons.

Question 22

The person to develop the first periodic table was Gregor Mendel.

Accepted Answer

False

Question 23

The formula for Iodine pentaflouride is

Accepted Answer

IF5

Question 24

The order of elements in the periodic table is based on

Accepted Answer

The number of protrons in the nucleus

Question 25

What is the chemical name for the compound Si2Br6.

Accepted Answer

disilicon hexabromide

Question 26

The first person to suggest that matter was made up of atoms was the Greek Philosopher Socrates

Accepted Answer

False

Question 27

What is the chemical name for Cu2S

Accepted Answer

Copper (I) sulfide

Question 28

The abbreviation for the proton is

Accepted Answer

p+

Question 29

The alkali metals are located in the center of periodic table to the left of the stair step.

Accepted Answer

False

Question 30

Noble gases are nonreactive gaseous elements that are located in Group 16 of the periodic table

Accepted Answer

False

Question 31

Atoms of elements that are in the same group, or family, have the same number of

Accepted Answer

valence electrons

Question 32

Isotopes for an element have the same number of neutrons but a different number of protons

Accepted Answer

False

Question 33

The transition metals are located in the center of periodic table to the left of the stair step

Accepted Answer

True

Question 34

Which statement about the atomic nucleus is correct?

Accepted Answer

nucleus is made up of protons & neutrons and has a + charge.

Question 35

The shorthand or the abbreviation for the electron is

Accepted Answer

e-

Question 36

Oxygen's atomic number is 8. This means an oxygen atom has

Accepted Answer

eight protons in the nucleus.

Question 37

What is the chemical name for the compound Al2O3.

Accepted Answer

Aluminum oxide

Question 38

Ionization refers to the process of

Accepted Answer

An atom gaining or losing electrons

Question 39

Group 18, the noble gases, are inert because

Accepted Answer

their outermost energy level is full.

Question 40

Dalton's theory: element made of atoms could not be subdivided, same element atoms are alike, &

Accepted Answer

atoms can join to form molecules and compounds, the nucleus is the center of the atom

Question 41

The formula for Sodium bromide is

Accepted Answer

NaBr

Question 42

Which statement about noble gases is correct?

Accepted Answer

They are found in Family 18 on the periodic table

Physical Science: Chapter 4 Review Atoms and Nomenclature

Questions 42

Physical Science: Chapter 4 Review Atoms and Nomenclature

Questions 42