Quiz about Chemistry 8.5 Test Review

Question 1

What number indicates the nucleus?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 2

Where is most of the mass in an atom located?

Accepted Answer

in the nucleus

Answer

in the protons

Answer

in the neutrons

Answer

in the electrons

Question 3

What number indicates a proton?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 4

The particles with no charge in an atom are the _______.

Accepted Answer

neutrons

Answer

electrons

Answer

protons

Answer

protons and neutrons

Question 5

What is the mass number of this element?

Accepted Answer

59

Answer

5

Answer

27

Answer

32

Question 6

The negatively charged particles of an atom are the ______.

Accepted Answer

electrons

Answer

protons

Answer

neutrons

Answer

protons & neutrons

Question 7

What is the atomic number?

Accepted Answer

number of protons

Answer

number of neutrons

Question 8

What is the mass number?

Accepted Answer

the sum of the number of protons and the number of neutrons in the nucleus of an atom

Answer

the number of protons

Answer

the number of electrons

Answer

the number of neutrons

Question 9

a neutron has this charge

Accepted Answer

neutral

Answer

negative

Answer

positive

Question 10

Which statement best describes an electron?

Accepted Answer

Smaller mass than a proton and a negative charge

Answer

Smaller mass than a proton and a positive charge

Answer

Greater mass than a proton and a negative charge

Answer

Greater mass than a proton and a positive charge

Question 11

Which statement accurately describe the atoms of a specific element?

Accepted Answer

A neon, Ne, atom contains 10 electrons outside the nucleus and 10 protons inside the nucleus.

Answer

An oxygen, O, atom contains 8 electrons inside the nucleus and 8 neutrons outside the nucleus.

Answer

An oxygen, O, atom contains 8 protons inside the nucleus and 16 neutrons inside the nucleus.

Answer

A neon, Ne, atom contains 10 electrons outside the nucleus and 20 protons inside the nucleus.

Question 12

How many protons, electrons and neutrons are present in an atom of carbon, C, with the mass of 12?

Accepted Answer

6 protons, 6 electrons, 6 neutrons

Answer

12 protons, 12 electrons, 12 neutrons

Answer

6 protons, 12 electrons, 6 neutrons

Answer

12 protons, 6 electrons, 12 neutrons

Question 13

An atom of a certain element has 11 electrons, and a mass number of 23. This element is very reactive in room temperature. How many neutrons are in this atom?

Accepted Answer

12

Answer

11

Answer

33

Answer

23

Question 14

How many electrons are in the outer shell of Carbon (C)?

Accepted Answer

4

Answer

6

Answer

8

Answer

10

Question 15

How many valence electrons are in the outer shell of Chlorine (Cl)?

Accepted Answer

7

Answer

1

Answer

3

Answer

6

Question 16

How many electrons are in the outer shell of Sodium (Na)?

Accepted Answer

1

Answer

3

Answer

2

Answer

4

Question 17

What group of elements has a "full octet"?

Accepted Answer

Noble gases

Answer

Group IIA

Answer

Group VIIA

Answer

Halogens

Question 18

How many valence electrons do halogens have?

Accepted Answer

7

Answer

8

Answer

6

Answer

3

Question 19

What is the most reactive group of elements?

Accepted Answer

Alkali Metals

Answer

Alkaline Earth Metals

Answer

Halogens

Answer

Noble Gases

Question 20

How many protons are in Boron (B) ?

Accepted Answer

5

Answer

3

Answer

10

Answer

11

Question 21

Which element has 5 more protons than Oxygen (O)?

Accepted Answer

Aluminum

Answer

Lithium

Answer

Chlorine

Answer

Silicon

Question 22

A Student drew atomic models of four atomic models. Based on the drawings, which one is the least reactive?

Accepted Answer

Neon, because it has two energy levels with eight electrons in the second level

Answer

Chlorine, because it has three energy levels with seven electrons in the third level

Answer

Gallium, because it has four energy levels with three electrons in the fourth level

Answer

Tin, because it has five energy levels with four electrons in the fifth level

Question 23

An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?

Accepted Answer

Sodium

Answer

Titanium

Answer

Vanadium

Answer

Magnesium

Question 24

Each row in the periodic table is called a

Accepted Answer

period

Answer

group

Answer

cluster

Answer

unit

Question 25

Each column in the periodic table is called a

Accepted Answer

group

Answer

period

Answer

cluster

Answer

unit

Question 26

_________ are elements that are good conductors of electric current and heat

Accepted Answer

metals

Answer

noble gasses

Answer

metalloids

Answer

nonmetals

Question 27

Elements that are poor conductors of heat and electricity. Many are gasses at room temperature

Accepted Answer

nonmetals

Answer

metals

Answer

metalloids

Answer

transition metals

Question 28

Which statement best describes the position of the two elements in the periodic table.

Accepted Answer

The two elements are in the same group, with Mg just above Ca

Answer

The two elements are in the same period, with Mg the first element in the period table and Ca the last element

Answer

The two elements are side by side in the same period, with Ca to the left of Mg

Answer

The two elements are in the same group, with Ca just below Mg

Question 29

Which pair of properties describe the elements in group 18

Accepted Answer

They are gases at room temperature and are stable

Answer

They have 8 valence electrons and are very reactive

Answer

They have 8 energy levels and are stable

Answer

They are gases at room temperature and very reactive.

Question 30

How many valence electrons are in an element in group 15 in the periodic table?

Accepted Answer

5

Answer

15

Answer

7

Answer

8

Question 31

Based on the data, which number shows the correct location of the element that is brittle and dull.

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 32

Which statement best describes the positions of Elements J and Z in relation to each other?

Accepted Answer

Elements J and Z are part of different groups in the same period

Answer

Elements J and Z are part of the same group in different periods

Answer

Elements J and Z are part of groups next to each other in the same period

Answer

Elements J and Z are part of different groups in different periods

Question 33

Which sets of elements have similar chemical and physical properties?

Accepted Answer

1 and 3

Answer

1 and 2

Answer

2 and 3

Answer

2 and 4

Question 34

Which of the following best describes the location of an element in the same period as the element tin?

Accepted Answer

Group 14(4A), Period 5

Answer

Group 14(4A), Period 4

Answer

Group 16(6A), Period 5

Answer

Group 13(3A), Period 6

Question 35

Which statement best describes the relationship between elements D and E?

Accepted Answer

Element D is more reactive than Element E

Answer

Element D has more valence electrons than Element E

Answer

Elements D and E are metals

Answer

Element D has a smaller atomic size than Element E

Question 36

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 37

2H₂ + O₂ ----> 2H₂O What is the product?

Accepted Answer

2H2O

Answer

------>

Answer

2H₂+ O₂

Question 38

2H₂ + O₂--------> 2H₂O What are the reactants?

Accepted Answer

2H₂ +O₂

Answer

----->

Answer

2H2O

Question 39

How many atoms are there TOTAL in:
H₂SO₄

Accepted Answer

7

Answer

6

Answer

5

Answer

3

Question 40

Matter can not be created nor destroyed: it can only be

Accepted Answer

Transformed, changed

Answer

Destroyed a little bit

Answer

Invisible

Answer

None of the above

Question 41

24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride

Accepted Answer

62

Answer

38

Answer

24

Answer

14

Question 42

Which of the following is a sign that a chemical reaction has occurred?

Accepted Answer

formation of a gas

Answer

change in shape

Answer

melting

Answer

dissolving

Question 43

A change in the size, shape, or state of matter.

Accepted Answer

physical change

Answer

chemical change

Answer

chemical reaction

Answer

electron change

Question 44

Which of the following is NOT an example of a physical change?

Accepted Answer

sour milk

Answer

crumpled paper

Answer

pencil sharpening

Answer

shrunken clothing

Question 45

Evidence of a chemical reactions is anything that shows -

Accepted Answer

a new substance has formed

Answer

a solid dissolved in a liquid

Answer

interaction between 2 gases

Answer

a change in the state of matter

Question 46

Which of the following could indicate a chemical change?

Accepted Answer

All of the answers could indicate Chemical Change

Answer

a color change has occurred

Answer

bubbles appear

Answer

identifying one or more new chemical products

Question 47

Which of the following IS a chemical change

Accepted Answer

digestion

Answer

using chalk

Answer

water freezing

Answer

slicing cheese

Question 48

Which of the following is a PHYSICAL change?

Accepted Answer

Getting a haircut

Answer

Rusty metal

Answer

sour milk

Answer

A compound

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