Atoms and the Periodic Table of Elements

Question 1

What is the atomic structure composed of? (exclude hydrogen)

Accepted Answer

a proton, electron, and neutron

Question 2

What are the number of neutrons in this specific example?

Accepted Answer

34

Question 3

What is the correct labeling?

Accepted Answer

A = alkali metals C= Transition Metals D= Halogens, B = Alkaline earth metals E = noble gases F&G = Lanthanides and actinides

Question 4

The nucleus is made up of electrons and protons

Accepted Answer

False

Question 5

(2) Electrons with the same energy go on different orbitals before pairing

Accepted Answer

True

Question 6

The atomic mass is the addition of the nucleus components

Accepted Answer

True

Question 7

Atomic Symbol notations

Accepted Answer

A = mass number, Z = atomic number, E = element chemical symbol

Question 8

Halogens have a 7 total valence electrons

Accepted Answer

True

Question 9

Electrostatic forces are

Accepted Answer

When you have two magnet's positive poles face each other and they repel, When the negative pole of a magnet attracts the positive pole of a metal

Question 10

If 16O and 18O have the abundances 99.8% and 0.200% respectively, what is the atomic mass?

Accepted Answer

16.0

Questions 10