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general chemistry

Total questions: 60

Worksheet time: 3hrs 59mins

Name
Class
Date
1.
In a neutral atom the amount of electrons is electron is equal to
a)
neutrons
b)
protons
c)
atomic mass
d)
neutrons + protons
2.
What types of particles are found in the cloud surrounding the atom's nucleus?
a)
Positively charged particles and negatively charged particles
b)
Negatively charged particles only
c)
Neutral particles and positively charged particles
d)
Positively charged particles only
3.
What is the symbol for nutrons
a)
e-
b)
n
c)
p+
d)
N
4.
a)
2
b)
8
c)
3
d)
13
5.
What is the difference between the number of electrons in an atom of Calcium, Ca, and the number of electrons in an atom of Aluminum, Al?
a)
20
b)
7
c)
13
d)
27
6.
The first orbital can hold a maximum of how many electrons?
a)
2
b)
3
c)
8
d)
6
7.
Where is the neutron located?
a)
In the loose nucleus with the electron
b)
In the dense nucleus with the protons
c)
In the electron cloud
d)
The nucleus floats on orbitals
8.
a)
2
b)
3
c)
5
9.
How many neutrons does oxygen have?
a)
16
b)
15.99
c)
8
d)
Doesn't contain any neutrons
10.
Where is the proton located?
a)
In the very dense nucleus
b)
Floating around in the negative electron cloud
c)
the loose nucleus
d)
the positive electron cloud
11.
An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?
a)
19
b)
39
c)
20
d)
58
12.
a)
2
b)
6
c)
10
d)
16
13.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
14.
How many neutrons does the an element with an atomic number of 3 and a mass of 6.9 contain?
a)
6.9
b)
4
c)
3
d)
7
15.
Elements can have the same number of protons?
a)
True
b)
False
16.
a)
2
b)
5
c)
10
d)
15
17.
Which element has a bigger mass?
a)
Krypton
b)
The element with an atomic mass 28.086
c)
The element with the atomic number 25
d)
Bromine
18.
What is the mass number of this nucleus?
a)
1
b)
3
c)
4
d)
7
19.
Protons determine an element's __________.
a)
Reactivity
b)
Nucleus
c)
Identity
d)
Color
20.
a)
12
b)
7
c)
8
d)
14
21.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
22.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
23.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
24.
a)
7
b)
8
c)
9
d)
10
25.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
26.
What is the ionic symbol for a Caesium atom?
a)
Cs+
b)
Cs-
c)
Cs+2
d)
Cs-2
27.
a)
2
b)
3
c)
4
d)
5
28.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
29.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
30.
a)
6
b)
7
c)
8
d)
9
31.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
32.
Which particles change the charge in atoms when ions are formed?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Kittens
33.
a)
1
b)
2
c)
3
d)
4
34.

A proton has what type of charge?

a)

Neutral

b)

Positive

c)

Super Powered

d)

Negative

35.

An electron has what type of charge?

a)

Positive

b)

Negative

c)

Neutral (No charge)

d)

Double

36.

A neutron has what type of charge?

a)

Negative

b)

Triple

c)

Positive

d)

Neutral (No charge)

37.

All of the following are parts of the atom except what?

a)

Protons

b)

Ions

c)

Neutrons

d)

Electrons

38.

To determine how many protons an atom of an element has, you should look at the what?

a)

Atomic mass

b)

Atomic symbol

c)

Atomic number

d)

Group number

39.

The atomic mass is the addition of what two figures?

a)

Electrons and neutrons

b)

Protons and electrons

c)

Electrons and amount of electron shells

d)

Protons and neutrons

40.

Elements on the Periodic Table are arranged by their _____?

a)

Atomic Number

b)

Atomic Mass

c)

Atomic symbol

d)

Year discovered

41.

Ms. Kirn is observing an oxygen atom. Each has 8 protons, neutrons, and electrons. What is the atomic mass?

a)

12

b)

16

c)

8

d)

10

42.

A _____ is a charged atom due to it losing or gaining an electron

a)

Molecule

b)

Ion

c)

Compound

d)

Isotope

43.

A Cu atom changes to a Cu+ atom. What has taken place?

a)

The copper atom has gained a proton

b)

The copper atom has gained an electron

c)

The copper atom has lost an electron

d)

The copper atom has altered its atomic mass

44.

Which group on the Periodic Table contains elements that are most reactive?

a)

Alkali Earth Metals

b)

Halogens

c)

Noble Gases

d)

Alkali Metals

45.

What do compounds and molecules have in common?

a)

They all dissolve in water

b)

They are chemical bonds

c)

They are not pure substances

d)

They are not found naturally on Earth

46.

What type of chemical bond forms between two non-metals?

a)

Metallic

b)

Covalent

c)

Ionic

d)

Isotopic

47.

What type of chemical bond forms between a metal and a non-metal?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Isotopic

48.

What type of chemical bond forms between two metals?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Isotopic

49.

A chemical bond has formed between Sodium (Na) and Chlorine (Cl) to form table salt. What type of bond is this?

a)

Covalent

b)

Ionic

c)

Isotopic

d)

Metallic

50.

A chemical bond has formed between Hydrogen (H) and Oxygen (O) to form water. What kind of chemical bond is this?

a)

Covalent

b)

Metallic

c)

Isotopic

d)

Ionic

51.

A chemical bond has formed between Potassium (K) and Magnesium (Mg). What type of chemical bond has formed?

a)

Covalent

b)

Ionic

c)

Metallic

d)

Isotopic

52.

The noble gases are located in which group on the Periodic table?

a)

Group 18

b)

Group 2

c)

Group 1

d)

Group 17

53.

This group on the Periodic table is very reactive. They have 7 valence electrons in their outer shell.

a)

Metalloids

b)

Halogens

c)

Alkaline metals

d)

Noble gases

54.

What is the maximum number of electrons you will find in an electron shell?

a)

2

b)

8

c)

10

d)

12

55.

What is the definition of a compound?

a)

The bond between two of the same elements

b)

Two mixtures joined together

c)

The bond between two different elements

d)

Three of more elements joined together

56.

Valence electrons are located where in an atom?

a)

The nucleus

b)

First level of electron shells

c)

Within the protons

d)

In the outermost electron shell

57.

The element of Chlorine has many valence electrons?

a)

7

b)

6

c)

1

d)

4

58.

Which of the compounds properly represents the ionic bond between sodium and chlorine?

a)

Na+ Cl-

b)

Cl+ Na-

c)

Na- Cl-

d)

Na+ Cl+

59.

How many protons and electrons are in a Potassium positive atom? [K+]

a)

19 protons and 19 electrons

b)

19 protons and 20 electrons

c)

20 protons and 19 electrons

d)

19 protons and 18 electrons

60.

Which of the following elements do NOT have one valence electron?

a)

Neon

b)

Potassium

c)

Sodium

d)

Lithium

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