A Periodic Table Review

Question 1

Which of the following Period 4 elements reacts vigorously with water to form H2 (g)?

Accepted Answer

Ca

Question 2

Malleability is the tendency to

Accepted Answer

flatten into sheets with hammering

Question 3

The modern periodic table is arranged according to increasing

Accepted Answer

nuclear charge

Question 4

What is the electron configuration of a ground state ion of chlorine?

Accepted Answer

2 - 8 - 8

Question 5

Which symbol represents below a metal that is a liquid at STP?

Accepted Answer

Hg

Question 6

Which of the following elements is too reactive to be found free in nature?

Accepted Answer

Na

Question 7

As atomic number increases in Group 1,

Accepted Answer

reactivity increases

Question 8

Atomic radius increases in period 2 with an increase in

Accepted Answer

the tendency to lose electrons

Question 9

Which of the following families of elements has a stable valence shell?

Accepted Answer

noble gases

Question 10

Which noble gas has the same configuration as O-2 ion?

Accepted Answer

Ne

Question 11

All elements in the same period have the same

Accepted Answer

number of occupied energy levels

Question 12

Which change in configuration represents a metal atom becoming a metal ion?

Accepted Answer

2 - 8 - 1 --> 2 - 8

Question 13

The Li atom

Accepted Answer

loses an electron to form a positive ion

Question 14

Which of the following elements has similar properties to P?

Accepted Answer

N

Question 15

Which of the following element is a diatomic solid at STP?

Accepted Answer

iodine

Question 16

Which group contains nonmetals, metalloids and metals?

Accepted Answer

15

Question 17

In which group does reactivity increase with a decrease in atomic number?

Accepted Answer

17

Question 18

The period 2 element with the greatest attraction for a pair of shared electrons is

Accepted Answer

O

Question 19

Allotropes of a given element have

Accepted Answer

different structures and different properties

Question 20

The oxygen atom will gain

Accepted Answer

two electrons a from a larger ion

Question 21

A ductile, lustrous element in Group 14 is

Accepted Answer

Sn

Question 22

An element that gains an electron to achieve a stable valence shell must be

Accepted Answer

a non-metal

Question 23

What alkaline earth metal has no stable isotopes?

Accepted Answer

Ra

Question 24

As atomic radius increases, what else increases?

Accepted Answer

metallic character

Question 25

The element with the highest electronegativity in Period 2 is

Accepted Answer

F

Question 26

What group contains elements in all three phases at STP?

Accepted Answer

17

Question 27

An example of a brittle, somewhat conductive element is

Accepted Answer

B

A Periodic Table Review

Questions 27

A Periodic Table Review

Questions 27