Atomic Structure & Isotopes

Question 1

How would a Na + ion differ from a sodium atom?

Answer 1

Lost an electron.

Question 2

What is the relative charge of a proton?

Answer 2

+1

Question 3

What is the relative charge of a electron?

Answer 3

-1

Question 4

What is the relative charge of a neutron?

Answer 4

0

Question 5

What is the relative mass of a proton?

Answer 5

1

Question 6

What is the relative mass of a electron?

Answer 6

Nearly 0

Question 7

What is the relative mass of a neutron?

Answer 7

1

Question 8

What is the position in an atom of a proton?

Answer 8

Nucleus

Question 9

What is the position in an atom of a electron?

Answer 9

Energy levels (shells)

Question 10

What is the position in an atom of a neutron?

Answer 10

Nucleus.

Question 11

Describe and explain the forces which are present in an atom?

Answer 11

Electrostatic forces between positive and negative charges.

Question 12

which particles are sometimes called nuclides or nucleons?

Answer 12

Protons and neutrons.

Question 13

What is the definition of isotope?

Answer 13

Atoms of the same element having different number of neutrons and therefore different masses.