Science study guide questions

Question 1

Elements are made up of one form of what?

Answer 1

One form of atom

Question 2

What is the smallest particle of an element?

Answer 2

An atom

Question 3

The atom contains what?

Answer 3

Three subatomic particles: protons, neutrons, and electrons

Question 4

Quarks are…?

Answer 4

Quarks are tiny particles of protein

Question 5

What subatomic particles has a positive charge or 1+

Answer 5

Proton

Question 6

What subatomic particles has a neutral charge?

Answer 6

Neutron

Question 7

What subatomic particles has a negative charge or 1-

Answer 7

Electron

Question 8

____ charged atoms are attracted to each other.

Answer 8

Opposite charges are attracted to each other (positive and negative)

Question 9

Are neutrons present in all atoms?

Answer 9

No. For example, hydrogen has one proton and one electron

Question 10

Particles surrounding the nucleus have what charge?

Answer 10

A negative charge

Question 11

What two things can an atom do?

Answer 11

Fuse or combine or split apart during fission

Question 12

What is released during fission?

Answer 12

Energy is released during fussion

Question 13

Do like charger atoms repel each other?

Answer 13

Yes. Like charged atoms do repel each other ( positive and positive)

Question 14

What creates smaller nuclei?

Answer 14

Fission creates smaller nuclei

Question 15

What defines and isotope?

Answer 15

Same element with different masses are called isotopes

Question 16

What does the atomic number identify?

Answer 16

Identifies the elements and the number of protons in an atom

Question 17

What does an atom have to do to become less reactive?

Answer 17

Atoms lose or gain electrons from the outer shell

Question 18

What does the nucleus in an atom contain?

Answer 18

Protons and neutrons

Question 19

What do quarks make up?

Answer 19

Forms protons and neutrons

Question 20

Do elements with the same valence electron have in common?

Answer 20

Similar chemical reactivity

Question 21

Where does most of an atoms volume come from?

Answer 21

Electrons in motion around the nucleus

Question 22

What makes up the mass of an atom?

Answer 22

Protons and neutrons. Electrons are to small to make any difference in the mass

Question 23

How many valence electrons do you need to form chemical bonds?

Answer 23

One of two

Question 24

If you add one or two MORE valence atoms, what happens?

Answer 24

If it contains one or more, other atoms make it highly reactive