Quiz about Science Chapter 8 Atoms and Molecules

Question 1

What is matter?

Accepted Answer

something that has mass and takes up space

Answer

something that is important

Answer

something that is a problem

Answer

something that takes up no space and is invisible

Question 2

What is matter made up of?

Accepted Answer

atoms

Answer

organs

Answer

cells

Answer

links

Question 3

Which element is a metal?

Accepted Answer

gold

Answer

oxygen

Answer

carbon

Answer

helium

Question 4

What is NOT a property of a metal?

Accepted Answer

melts easily

Answer

shiny

Answer

can bend

Answer

gets hot

Question 5

What is the smallest number of parts in a compound?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 6

You can see an atom with

Accepted Answer

a special microscope

Answer

your eye

Answer

a special telescope

Answer

a magnifying glass

Question 7

Atoms may combine to form a(n)

Accepted Answer

molecule

Answer

mixture

Answer

nucleus

Answer

element

Question 8

What does periodic mean?

Accepted Answer

happening at regular times

Answer

happening sometimes

Answer

happening all the time

Answer

happening at the end

Question 9

What element is a building block of matter in living things?

Accepted Answer

carbon

Answer

hydrogen

Answer

helium

Answer

oxygen

Question 10

A pure substance made of two or more elements that are chemically combined is a(n) _____________.

Accepted Answer

compound

Answer

molecule

Answer

nucleus

Answer

electron

Question 11

Elements are shown arranged by their properties in a chart called the _________________.

Accepted Answer

periodic table

Answer

ecosystem chart

Answer

water cycle chart

Answer

table of elements

Question 12

The smallest particle of an element that still has the properties of that element is a(n) __________________.

Accepted Answer

atom

Answer

proton

Answer

tissue

Answer

molecule

Question 13

An element that can be bent or stretched and is usually shiny is probably a (n) _______________.

Accepted Answer

metal

Answer

non-metal

Answer

metalloid

Answer

semi metal

Question 14

A small, positively charged particle is a(n) ____________.

Accepted Answer

proton

Answer

electron

Answer

neutron

Answer

nucleus

Question 15

The structure in the center of an atom is the __________.

Accepted Answer

nucleus

Answer

circle

Answer

neuron

Answer

middle

Question 16

The abbreviation of an element's name is its _____________.

Accepted Answer

chemical symbol

Answer

chemical reaction

Answer

nuclear fusion

Answer

periodic table

Question 17

An element that hardly ever combines with other elements to form a compound is a(n) ________________.

Accepted Answer

noble gas

Answer

solid

Answer

liquid

Answer

matter

Question 18

A substance that cannot be broken apart chemically into other substances is a(n) _____________.

Accepted Answer

element

Answer

atom

Answer

compound

Answer

molecule

Question 19

A negatively charged particle that is part of an atom is a(n) _________________________.

Accepted Answer

electron

Answer

proton

Answer

neutron

Answer

atom

Question 20

How many electrons circle the nucleus?

Accepted Answer

6

Answer

5

Answer

4

Answer

2

Question 21

How many protons are in the nucleus?

Accepted Answer

6

Answer

10

Answer

8

Answer

1

Question 22

What is the atomic number of the atom?

Accepted Answer

6

Answer

20

Answer

12

Answer

18

Question 23

What element does this atom model?

Accepted Answer

carbon

Answer

oxygen

Answer

hydrogen

Answer

helium

Question 24

What are the three groups into which elements can be classified based on their properties?

Accepted Answer

metals, nonmetals, semi-metals

Answer

proton, electron, neutron

Answer

gold, silver, copper

Answer

hit, run, out

Question 25

Which particles in an atom contribute most to the mass of the atom?

Accepted Answer

protons and neutrons

Answer

molecule and compound

Answer

gas and liquid

Answer

electrons and protons

Question 26

What is true about the elements in a given column of the periodic table?

Accepted Answer

All the elements in a column of the periodic table have similar properties.

Answer

All the elements are different.

Answer

All the elements are solids.

Answer

All the elements are gases.

Question 27

What is a molecule?

Accepted Answer

A molecule is a group of two or more atoms that are chemically joined and that act as a single unit.

Answer

A molecule is a group of atoms that are best friends.

Answer

A molecule is a group of 3 or more protons that are joined and act as a single unit.

Answer

A molecule is a group of 2 or more electrons that can't combine with protons.

Question 28

Suppose a geologist discovered an element that is fairly shiny, quite brittle and hard, and conducts electricity under certain conditions. If you were asked to classify this element, in which group would you place it? Why? (Explain.) 2 points so 2 answers

Accepted Answer

I would classify it as a semi-metal.

Accepted Answer

It has some properties of a metal and some of a nonmetal.

Answer

I would classify it as a non metal.

Answer

It has properties of a semi-metal and a non metal.

Question 29

The atomic number of iron is 26. What does this tell you about the number of protons in the nucleus of an iron atom? What does it tell you about the number of electrons circling the nucleus? Mark all that apply. 2 points.

Accepted Answer

Since the atomic number is 26 that means there are 26 protons in the nucleus.

Accepted Answer

Also since the atomic number is 26 there are 26 electrons circling the nucleus.

Answer

Since the atomic number is 26 that means there are 26 letters of the alphabet in the nucleus.

Answer

Also since the atomic number is 26 there are 26 zombies circling the nucleus.

Question 30

You and a classmate work together to try to classify a material. After testing the material and making certain observations, you are ready to classify the material as a metal. However, your partner has some doubts. How would you handle this situation? 2 points

Accepted Answer

Discuss the situation to find out why your partner has doubts.

Accepted Answer

Determine what other tests such as conductivity, you can perform to be more certain.

Answer

Tell your partner you're right and they don't know anything.

Answer

Determine other tests such as math you can use to deicde who is right.

Question 31

Why doesn't water, a nonmetal, have a place on the periodic table?

Accepted Answer

Water is not an element, it is a compound made up of hydrogen and oxygen.

Answer

Because water is not metal

Answer

Water is really metallic so it can't be an element.

Answer

Water is in swimming pools to keep us cool during the summer.

Question 32

Why is the element carbon so important to all living things?

Accepted Answer

Carbon compounds are the main parts of all living things.

Answer

Carbon is in many things.

Answer

Carbon is used in soda for carbon dioxide.

Answer

Carbon is element number 6.

Science Chapter 8 Atoms and Molecules

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