Periodic Table and Trends Test Review 2020

Question 1

How many valence electrons does Magnesium have?

Accepted Answer

2

Question 2

The most reactive group of metals is the

Accepted Answer

alkali metals

Question 3

The periodic law says that the properties of elements are based on their

Accepted Answer

atomic number

Question 4

The following element is a nonmetal

Accepted Answer

Se

Question 5

The periodic table

Accepted Answer

allows the properties of elements to be predicted

Question 6

How do anions form?

Accepted Answer

gain electrons

Question 7

Write Boron as an ion.

Accepted Answer

B3+

Question 8

Which element has the higher electronegativity value: Cl, P, Na, Mg?

Accepted Answer

Cl

Question 9

Place the following elements in DECREASING ionization energy: S, Po, O, Se

Accepted Answer

O, S, Se, Po

Question 10

Which of the following particles are free to drift in metals?

Accepted Answer

electrons

Question 11

A solid nonmetal is usually

Accepted Answer

brittle

Question 12

Which electron configuration is most stable?

Accepted Answer

1s22s22p63s23p6

Question 13

What is the maximum number of electrons in the 2nd energy level?

Accepted Answer

8

Question 14

How many valence electrons does Fluorine have?

Accepted Answer

7

Question 15

Write Phosphorus as an ion.

Accepted Answer

P3-

Question 16

What measures the ability of an atom to attract electrons from another element?

Accepted Answer

electronegativity

Question 17

How many electrons does Strontium give up to achieve noble gas configuration?

Accepted Answer

2

Question 18

Which of the following is a Group B element?

Accepted Answer

Ir

Question 19

How do cations form?

Accepted Answer

lose electrons

Question 20

Which element is the largest: Na, P, Al , Ar?

Accepted Answer

Na

Questions 20