Modern Chemistry -Ch. 5 Periodic Table Review

Question 1

He arranged elements on the periodic table according to their chemical and physical properties.

Accepted Answer

Mendeleev

Question 2

For which element would you expect a large jump between the second and third ionization energy?

Accepted Answer

Sr

Question 3

As you move from left to right from Gallium to bromine, atomic radii _______

Accepted Answer

generally decrease

Question 4

Which blocks on the periodic table represent the main body elements

Accepted Answer

s and p

Question 5

of the following elements, which is the least electronegative?

Accepted Answer

K

Question 6

The elements in group 17 on the periodic table are called

Accepted Answer

halogens

Question 7

when an atom becomes a cation, it

Accepted Answer

it loses electrons and becomes smaller

Question 8

Which of the following has the largest Radius?

Accepted Answer

tin

Question 9

This scientist rearranged the Periodic Table based on atomic number

Accepted Answer

Mosely

Question 10

The elements in column 1 of the period table are called the ___________ .

Accepted Answer

alkali metals

Question 11

How many valance electrons does arsenic have?

Accepted Answer

5

Question 12

Nonmetals have

Accepted Answer

High Ionization energy and high electronegativity

Question 13

How many labeled groups are there on the periodic table?

Accepted Answer

18

Question 14

which block represents the inner transition elements.

Accepted Answer

f

Question 15

The valence electrons in an atom are always

Accepted Answer

the outermost electrons

Question 16

the number of valence electrons in any element in column 17

Accepted Answer

7

Question 17

neutral atoms with an s2p6 electron configuration in the highest energy level are

Accepted Answer

gases

Question 18

which family tends to have the lowest ionization energy and which family has the highest?

Accepted Answer

alkali metals; noble gases

Question 19

Elements are arranged in order of increasing atomic # there is repeating pattern. This is the

Accepted Answer

Periodic Law

Question 20

electronegativity is the ablility of an atom to

Accepted Answer

attract electron in a chemical bond

Question 21

Elements in which the d-sublevel is being filled have the properties of

Accepted Answer

metals

Question 22

Which has the larger radius

Accepted Answer

Mg

Questions 22