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Atomic structure (9-O)

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

A state of matter that has a definite volume and shape.

a)

solid

b)

liquid

c)

gas

d)

matter

2.

The amount of space something takes up

a)

matter

b)

mass

c)

volume

d)

density

3.

M shell can have maximum of _____ electrons.

a)

8

b)

10

c)

18

d)

32

4.

Electronic configuration of phosphorus is

a)

2,8,4

b)

2,8,5

c)

2,8,6

d)

2,8,7

5.

Fourth state of matter plasma exists at

a)

high temperature

b)

low temperature

c)

room temperature

6.

_______________ is the ability of elements to donate electrons to form positive ions.

a)

Electronegativity

b)

Anion

c)

Electropositivity

d)

Cation

7.

Stainless steel is an example of

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

8.

HSO4- is an example of ___________ion.

a)

Monoatomic

b)

Diatomic

c)

Polyatomic

9.

Boiling point is an example of extensive physical properties.

a)

True

b)

False

10.

A neutron is a subatomic particle found in the nucleus of an atom. It has positive charge.

a)

True

b)

False

11.
Anything that has mass and takes up space.
a)
Atom
b)
Matter
c)
Element
d)
Neutron
12.
Smallest particle of an element that still has the properties of that element. 
a)
Atom
b)
Compound
c)
Molecule
d)
Element 
13.
Particle in an atom that has a negative charge. 
a)
Proton 
b)
Neutron 
c)
Electron 
d)
Nucleus 
14.
Substance that cannot be broken down into other substances. 
a)
Matter 
b)
Molecule
c)
Element
d)
Compound
15.
Two or more atoms joined together by chemical bonds. 
a)
Molecule
b)
Atom
c)
Mixture
d)
Proton 
16.
Particle in the nucleus of an atom that has no charge. 
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus 
17.
Center core of an atom. 
a)
Proton
b)
Nucleus
c)
Electron 
d)
Neutron 
18.
Particle in the nucleus of an atom that has a positive charge. 
a)
Proton
b)
Electron
c)
Neutron
d)
Necleus
19.
Shorthand way to describe the chemical makeup of a compound. 
a)
Compound
b)
Chemical Formula
c)
Chemical reaction 
d)
Mixture
20.
Change in the size, shape, or state of matter with no new matter being formed. 
a)
Physical Change
b)
Chemical Change
c)
Matter 
d)
Molecule 
21.
Substance made of two or more different elements that chemically combine. 
a)
Atom
b)
Element
c)
Compound
d)
Proton
22.
Change in matter that results in new substance being formed. 
a)
Physical Change
b)
Chemical Change
c)
Protons
d)
Electrons
23.
Little space between particles. Fixed shape; particles move very slowly. Examples: ice, table, floor
a)
Liquid
b)
Gas
c)
Solid
d)
Plasma 
24.
Takes the shape of the container. Particles can move around easily. Examples: Water, juice, soda 
a)
Solid
b)
liquid 
c)
Gas
d)
Plasma 
25.
Takes the shape of the container. Hard to see. Particles move rapidly. Examples: vapor, gas, oxygen, helium 
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma 
26.
Describes how an object looks, feels, or acts. 
a)
Weight
b)
Volume
c)
Mass
d)
Properties 
27.
A measure of the amount of matter in an object 
a)
Mass
b)
Volume
c)
Density
d)
Weight 
28.
How much space an object takes up. 
a)
Mass 
b)
Volume
c)
Density 
d)
Weight
29.
The degree of compactness of a substance. 
a)
Mass 
b)
Volume
c)
Density
d)
Weight
30.
The measure of the force of gravity on an object.
a)
Mass 
b)
Volume
c)
Density
d)
Weight 
31.

Which are of the following are subatomic particles. Select three:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

32.

The atomic number will tell me... (select three)

a)

Number of Protons

b)

Number of Electrons

c)

Number of Neutrons

d)

What element is it

33.

The nucleus of an atom contains which of the following subatomic particles: (Select two)

a)

protons

b)

Neutrons

c)

Electrons

d)

Shells

34.

Hydrogen has an atomic number of 1. How many electrons does hydrogen have?

a)

1

b)

2

c)

4

d)

0

35.

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

a)

14

b)

28

c)

2

d)

10

36.

Which of the following are properties of a metal: (you should select more than one)

a)

Good conductor of heat and electricity

b)

Brittle (break easily)

c)

Malleable (able to bend without breaking)

d)

Luster (shiny)

e)

Dull

37.

This element is found in group 2, period 3:

a)

Li

b)

Mg

c)

Be

d)

B

38.

Valence electrons are:

a)

Just the electrons on the last energy level (outer shell)

b)

All the electrons in the atom

39.

Which diagram would you draw if you wanted to represent just the valence electrons?

a)

Electron Configuration

b)

Lewis Dot

c)

Bohr Model

40.

What best describes the difference between the bohr model and the lewis dot?

a)

The bohr model diagram represents all the subatomic particles, while the lewis dot diagram only shows the symbol and the valence electrons.

b)

The lewis dot shows all the electrons and the bohr model only shows the electrons in the last shell

c)

The lewis dot shows the number of neutrons and the bohr model only shows the electrons

41.

What is the charge of a proton?

a)

Positive

b)

Negative

c)

No charge, Neutral

42.

What is the charge of an electron?

a)

Postive

b)

Negative

c)

No Charge

43.

Which of the following is the electron configuration for Magnesium, Mg? (Atomic number 12)

a)

2-4-4

b)

2-8-2

c)

2-8

d)

2-4-6

44.

This diagram represents the atom of what element?

a)

Kr (Krypton)

b)

Cd (Cadmium)

c)

Se (Selenium)

d)

Ca (Calcium)

45.

A student drew a lewis dot structure with 7 valence electrons. Which of the following elements might have the student drawn?

a)

Cl (Chlorine)

b)

Ne (Neon)

c)

N (Nitrogen)

d)

Li (Lithium)

46.

What is the basic building block of matter (made of protons, electrons, and neutrons)?

a)

Matter

b)

Molecule

c)

Atom

d)

Crystal

47.

What is the smallest unit of a compound?

a)

Matter

b)

Molecule

c)

Atom

d)

Crystal

48.

Solid material whose atoms are arranged in an ordered pattern

a)

Matter

b)

Molecule

c)

Crystal

d)

Substance

49.

Anything with both volume and mass

a)

Matter

b)

Molecule

c)

Atom

d)

Crystal

50.

Matter with consistent properties throughout

a)

Matter

b)

Molecule

c)

Crystal

d)

Substance

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