Chemistry Semester 1 Graded Exam Review #1

Front

How many electrons does magnesium have to give up to obtain a noble gas electron configuration?

Back

2

Front

Which scientists are associated with the discovery of the atom?

Back

Democritus, Aristotle, Dalton and Rutherford

Front

Which element has the highest electronegativity?

Back

Fluorine

Front

The ion of Cl has an outer orbital that is just like _____?

Back

Ar

Front

The first figure in a properly written chemical symbol is always...

Back

capitalized

Front

What is the atomic number of magnesium?

Back

12

Front

Define electronegativity.

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

What is the significance of the noble gas configuration?

Back

Noble gas configuration indicates a stable electron arrangement, often achieved by gaining, losing, or sharing electrons.

Front

What is the charge of a chloride ion (Cl-)?

Back

-1

Front

What is the periodic trend for atomic radius?

Back

Atomic radius increases down a group and decreases across a period.