Atomic Structure

Question 0

which subatomic particle can be found outside the nucleus

Answer 0

electrons

Question 1

which subatomic particles can be found in the nucleus of an atom

Answer 1

protons and neutrons

Question 2

what does the atomic number of an element signify

Answer 2

the number of protons in the nucleus

Question 3

atoms that have the same atomic number but different atomic masses are called

Answer 3

isotopes

Question 4

if atoms have the same but a different atomic mass what is different

Answer 4

the number if neutrons in the nucleus

Question 5

particles that have an electrical charge (+or-) are called

Answer 5

ions

Question 6

how does an atom or particle become charged

Answer 6

gains or loses electrons

Question 7

isotopes are similar in what ways? in what ways are they different?

Answer 7

same number of protons

different number of neutrons

Question 8

isotopes which have an unstable nucleus are called

Answer 8

radioisotopes

Question 9

nuclear radiation can be described as the spontaneous release of

Answer 9

particles or energy from the nucleus

Question 10

describe alpha radiation

Answer 10

particles that consist of 2 protons and 2 neutrons are released

Question 11

describe beta radiation

Answer 11

neutron splits and the electron is released

Question 12

describe gamma radiation

Answer 12

the release of energy

Question 13

if an atom emits an alpha particle, it’s atomic number does what

Answer 13

decreases by 2

Question 14

if an atom emits a beta particle it’s atomic number does what

Answer 14

increases by 1

Question 15

the most penetrating form of nuclear radiation is

Answer 15

gamma radiation

Question 16

the most biologically damaging form of nuclear radiation is

Answer 16

alpha radiation

Question 17

it is possibly for the effects of nuclear radiation to be passes to offspring because

Answer 17

it alters DNA