The Periodic Table

Question 1

An ___ ____ is an element present in group 1A of the periodic table defined by their reactivity and having ___ valence electron.

Answer 1

Alkali Metals, 1

Question 2

Alkali metals are ____ reactive which is why they are ___ found by themselves as a single element.

Answer 2

very, rarely

Question 3

Alkali metals form ____ with water capable of ____ acids.

Answer 3

strong bases, neutralizing

Question 4

Alkali metals have high _____ and ______ conductivity.

Answer 4

thermal and electrical

Question 5

Alkali metals have ____ ionization energy, ___ electron affinity, and ___ electronegativity.

Answer 5

low, low, low

Question 6

Alkali metals react readily with ____.

Answer 6

nonmetals

Question 7

____ the energy change that occurs when an atom gains an electron.

Answer 7

electron affinity

Question 8

a measure of the ability of an atom to attract the electrons in a bond

Answer 8

electronegativity

Question 9

_____ are elements found in group IIA that share properties characteristic of ____ but form ____ when reacted with water and ions with a ___ oxidation state.

Answer 9

Alkaline earth metals, metals, hydroxides, +2

Question 10

Alkaline earth metals are ___ conductors of electricity.

Answer 10

good

Question 11

Alkaline earth metals have __ ionization energy, ____ electron affinity, and ___ electronegativity.

Answer 11

low, low, low

Question 12

____ are nonmetallic elements found in group VIIA forming ___ ions and have __ valence electrons.

Answer 12

Halongens, -1, 7

Question 13

Halogens are ___ reactive. These elements are constantly trying to ____ their octet by gaining 1 additional electron.

Answer 13

highly, complete

Question 14

Halogens are reactive toward ___ and ____ metals.

Answer 14

alkali, alkaline earth

Question 15

Halogens have ___ ionization energy, ___ electronegativity, and ___ electron affinity

Answer 15

high, high, high

Question 16

Metals are found on the ___ side and ___ of the periodic table.

Answer 16

left side and middle

Question 17

With the exception of ____, which is ___ under standard conditions, metals are ____.

Answer 17

mercury, liquid, shiny solids

Question 18

Metals have ___ melting points and ___ densities. They are ___ malleable and have ___ ductility.

Answer 18

high, high, highly, high

Question 19

Metals have ___ effective nuclear charge, ____ electronegativity, a ___ atomic radius, ____ ionic radius, and ___ ionization energy.

Answer 19

low, low, large, small, low

Question 20

Metals are good conductors of heat and electricity because their ______.

Answer 20

valence electrons are free to move.

Question 21

Non-metals are found on the ___ of the periodic table.

Answer 21

upper right side

Question 22

Non-metals have ___ ionization energy, ___ electron affinity, and ___ electronegativity. They have __ atomic radii and ___ ionic radii. They are ___ conductors of heat and electricity. They ____ give up electrons.

Answer 22

high, high, high, small, large, poor, do not easily

Question 23

___ are the gaseous elements that occupy group VIIIA and are characteristically interactive due to a ___ valence shell.

Answer 23

Noble gases, full

Question 24

Noble gases have very ___ melting and boiling points.

Answer 24

low

Question 25

The ___ is the VIA group on the periodic table that contains oxygen.

Answer 25

oxygen group

Question 26

The oxygen group contains ___ and ___. They have __ atomic radii and __ ionic radii.

Answer 26

non-metals and metalloids, small, large

Question 27

the average distance between a nucleus and its outermost electron

Answer 27

atomic radius

Question 28

the average distance from the center of the nucleus to the edge of its electron cloud

Answer 28

ionic radii

Question 29

an element that has properties that are intermediate between those of metals and nonmetals

Answer 29

metalloid