IPC Unit 3 Quiz 3

How many valence electrons does the element Mg have?

2

Based on the image, how many valence electrons does Cl have?

7

How many valence electrons does the element Ar have?

8

Why do atoms want 8 valence electrons?

8 valence electrons are a full shell that makes the atom more stable.

________________________ are the most reactive metals, especially with water.

Alkali

Which of these elements has the highest ionization energy?

F

________________________ are the most reactive nonmetal group.

Halogens

________________________ is not reacting with another element or object.

Inert

_____________________ is the amount of energy needed to remove an electron from an atom.

Ionization energy

Which of these elements has a lower electronegativity?

K

Which of these elements has the smallest atomic radius?

Li

________________________ describes an element that has only one atom.

Monoatomic

Which element is more chemically reactive?

Na

Choose the element pairings that are likely to react with each other.

Na and K (?)

________________________ are the least reactive family of elements.

Noble gases

________________________ is energy emitted in the form of radiation by unstable elements.

Radioactivity

Half the distance between the nuclei of two atoms is the ________________________.

atomic radius

What type of diagram is this?

electron dot

The ability to measure how strong an atom attracts electrons when the atom is part of a compound is called _____________________.

electronegativity

Halogen means ________________________ forming.

salt