7 atomic and nuclear pre-quiz

Carbon 14. How many protons does carbon 14 have?

• 6

• 8

• 14

• 4

• 12

Carbon 14. How many neutrons does carbon 14 have?

• 6

• 8

• 14

• 4

• 12

Carbon 14. How many electron does a carbon 14 atom have?

• 6

• 8

• 14

• 4

• 12

In the alpha scattering experiments, most of particles went through the atom without deviated path. What can be concluded from this?

• most of atom is space

• there is a dense positively charged nucleus

• the positive charge is even spread out in the atom

• the protons and electrons are paired up

In the alpha scattering experiments, some particles were deviated with a very high angle. What can be concluded from this?

• most of atom is space

• there is a dense positively charged nucleus

• the positive charge is even spread out in the atom

• the protons and electrons are paired up

In alpha particle decay, what happens to the atomic number?

• increases by 4

• increases by 2

• dereases by 4

• decreases by 2

• stays the same

In alpha particle decay, what happens to the atomic mass?

• increases by 4

• increases by 2

• dereases by 4

• decreases by 2

• stays the same

In beta particle decay, what happens to the atomic number?

• increases by 1

• increases by 2

• dereases by 1

• decreases by 2

• stays the same

In beta particle decay, what happens to the atomic mass?

• increases by 1

• increases by 2

• dereases by 1

• decreases by 2

• stays the same

In Beta decay, you produce the daughter nucleus, beta particle and a ..