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Worksheet: Atomic Structure

Q1:

When an electron in an atom moves from a higher energy level to a lower energy level, it electromagnetic radiation.

  • Areleases
  • Babsorbs

Q2:

If an atom has 4 protons, 3 neutrons, and 4 electrons, what is the relative charge of the atom?

Q3:

If an atom has 9 protons and 7 electrons, what is the relative charge of the atom?

Q4:

What is the relative charge of a proton?

Q5:

Are neutrons positively charged, negatively charged, or neutral?

  • APositively charged
  • BNegatively charged
  • CNeutral

Q6:

If an ion has 14 electrons but a relative charge of +2, how many protons are in the nucleus of the ion?

Q7:

What are the 2 types of particles that make up the nucleus of an atom?

  • ANeutrons and electrons
  • BProtons and electrons
  • CProtons and neutrons

Q8:

What is the relative charge of an electron?

Q9:

In the nuclear model of the atom, does the nucleus have a positive charge, a negative charge, or no charge?

  • ANo charge
  • BNegative charge
  • CPositive charge

Q10:

Most of the space in an atom is taken up by .

  • Athe electrons
  • Bthe nucleus
  • Cempty space

Q11:

What is the relative charge of a neutron?

Q12:

The image shows a diagram of an atom, which is not to scale.