Atoms

Question 1

What are degenerate orbitals?

Answer 1

Orbitals of the same energy

Question 2

Quantisized

Answer 2

The energy of the electrons is limited to specific values

Question 3

Why is the shape of the electron important?

Answer 3

1. Occupy 3 dimensions
2. Calculated mathematically
3. Region you are most likely to find an electron

Question 4

What is relative atomic mass (RAM)?

Answer 4

Based on the element’s isotopes and the relative abundance of those isotopes ( how much of each occurs in nature)

Question 5

What is an isotope?

Answer 5

Atoms of an element with the same number of protons but varying numbers of neutrons, and thus have varying masses.

Question 6

What is the nucleus?

Answer 6

1. Where them ads of the atom is concentrated
2. Contains nucleons
3. Positively charged
4. Held together by a strong nuclear force

Question 7

What are the main sub- atomic particles?

Answer 7

1. Protons
2. Neutrons
3. Electrons

Question 8

What is the value of a.m.u?

Answer 8

1.66 x 10^-27

Question 9

What is the carbon -12 atom?

Answer 9

The standard mass against which all other elements are measured