Science test review

Question 1

What are the surrounding rings called on the atom?

Answer 1

electron shell

Question 2

what holds the protons and neutrons in an atom?

Answer 2

nucleus

Question 3

which subatomic particle is on the outer ring and has a negative charge?

Answer 3

electron

Question 4

which subatomic particle has a positive charge and is located in the nucleus?

Answer 4

proton

Question 5

which subatomic particle has no charge and is located in the nucleus?

Answer 5

neutron

Question 6

what are all of the rings called in an atom?

Answer 6

electron cloud

Question 7

mass for proton?

Answer 7

1 amu

Question 8

mass for neutron?

Answer 8

1 amu

Question 9

mass for electron?

Answer 9

very small, does not contribute to mass

Question 10

how do neutral atoms differ from ions?

Answer 10

ions have gained or lost electrons and therefore have a charge. (positive or negative)

Question 11

If an atom gains electrons, what happens to its charge?

Answer 11

the atom’s charge turns negative

Question 12

If an atom looses an electron, what happens to it’s charge?

Answer 12

the atom’s charge turns positive

Question 13

what is a cation?

Answer 13

an ion with a positive charge (PAWSITIVE)

Question 14

what is an anion?

Answer 14

An ion with a negative charge (ONION/negative)

Question 15

How do isotopes of the same element differ?

Answer 15

They each have different amounts of neutrons

Question 16

Which subatomic particle determines which type of atom you have?

Answer 16

proton

Question 17

whats the difference in the isotopes carbon-12 and carbon-14?

Answer 17

carbon 12 has 6 neutrons and 14 has 8 neutrons.

Question 18

which number determines the place/identity on the periodic table?

Answer 18

the atomic number/ number of protons

Question 19

how do you find the mass of an atom?

Answer 19

add protons and neutrons

Question 20

what is an atom?

Answer 20

the smallest particle that still has properties of an element

Question 21

what is an ion?

Answer 21

an atom with a positive or negative charge

Question 22

what is an isotope?

Answer 22

different versions of the same atom/element (occurs when neutrons are added or subtracted)

Question 23

what is the atomic number?

Answer 23

number of protons in an element

Question 24

what is atomic mass?

Answer 24

protons + neutrons