Quiz about Homework Quiz #4: 8.5 A-C

Question 1

Question 1.

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 2

Question 2.

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 3

Question 3.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 4

Question 4.

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 5

Question 5.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 6

Question 6.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

Question 7.

Accepted Answer

F

Answer

G

Answer

H

Answer

J

Question 8

Question 8.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 9

Question 9.

Accepted Answer

J

Answer

F

Answer

G

Answer

H

Question 10

Which of the following best describes an electron?

Accepted Answer

It has a negative charge and much less mass than a proton

Answer

It has no charge and about the same mass as a proton.

Answer

It has a positive charge and much more mass than a neutron.

Answer

It has a negative charge and about the same mass as a neutron.

Question 11

An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's nucleus?

Accepted Answer

+25

Answer

+30

Answer

-25

Answer

-30

Question 12

Which of these best describes one of the subatomic particles that could be found at location X in the model of an atom shown above?

Accepted Answer

It has mass but no charge.

Answer

It has no mass and a positive charge.

Answer

It has a large mass and a negative charge.

Answer

It has no mass and an equal number of positive and negative charges.

Question 13

An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom?

Accepted Answer

48

Answer

120

Answer

50

Answer

0

Question 14

If an atom has six positively charged subatomic particles, which of the following must it also have in order to become a neutral atom?

Accepted Answer

Six electrons

Answer

Twelve protons

Answer

Six neutrons

Answer

Three electrons

Question 15

A model of an atom is shown above. An atom of which element is represented by this model?

Accepted Answer

Boron (B)

Answer

Carbon (C)

Answer

Neon (Ne)

Answer

Sodium (Na)

Question 16

Which of the above models of an atom represents a reactive metal?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 17

Which of the above models of an atom represents a stable atom that will no react?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 18

The atoms of a certain element each contain 9 protons and 7 valence electrons. Which statement correctly identifies this element and describes its' chemical reactivity?

Accepted Answer

The element is fluorine, and it is highly reactive.

Answer

The element is lithium, and it is highly reactive.

Answer

The element is fluorine, and it is not very reactive

Answer

The element is lithium, and it is not very reactive.

Question 19

A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater atomic mass. Which element should the researcher select for the experiment?

Accepted Answer

Arsenic (As)

Answer

Nitrogen (N)

Answer

Sulfur (S)

Answer

Silicon (Si)

Question 20

An element has a metallic-gray appearance. It also has the properties of both a metal and a nonmetal. In which section of the periodic table indicated above would the element most likely be found?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 21

Which two elements on the periodic table are in the same period?

Accepted Answer

Sn and Rb

Answer

F and Cl

Answer

K and Ba

Answer

Se and Te

Question 22

Which of the following atoms will have the most similar properties to the image above?

Accepted Answer

Magnesium

Answer

Helium

Answer

Boron

Answer

Carbon

Question 23

This element has 20 neutrons and 19 negatively charged particles

Accepted Answer

K

Answer

Kr

Answer

Rb

Answer

Xe

Question 24

What does the nucleus of an atom contain?

Accepted Answer

Protons and neutrons

Answer

Electrons and neutrons

Answer

Neutrinos and positrons

Answer

Electrons and megatrons

Question 25

What element is this?

Accepted Answer

Argon

Answer

Helium

Answer

Hydrogen

Answer

Silver

Question 26

Valence electrons are found in the ______ energy level.

Accepted Answer

Outermost

Answer

Farthest in

Answer

Middle

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science