The Periodic Law

Question 1

To show elements in the same group having similar properties, Ms. Jeffreys referred to the show

Accepted Answer

Star Trek

Question 2

Who was the scientist that rearranged the periodic table by atomic numbers?

Accepted Answer

Moseley

Question 3

The ability for an atom to attract electrons while in a compound is its ____.

Accepted Answer

electronegativity

Question 4

How many valence electrons does oxygen have?

Accepted Answer

6

Question 5

Group 18 contains the _____.

Accepted Answer

noble gases

Question 6

The alkaline-earth metals are in ______.

Accepted Answer

group 2, the s-block

Question 7

Elements with similar properties are located in the same _____.

Accepted Answer

group

Question 8

The metalloids and nonmetals are found

Accepted Answer

with the halogens and noble gases

Question 9

The element below with the largest electronegativity is

Accepted Answer

Fluorine

Question 10

The elements in the d-block are known as the _______.

Accepted Answer

transition metals

Question 11

Why do atomic numbers increase by 8, 8, 18, 18, 32?

Accepted Answer

Due to the numbers of electrons that fit in each sublevel.

Question 12

A noble gas configuration that ends in s2 represents an element that belongs in the ____ group.

Accepted Answer

alkaline-earth metal

Question 13

The energy needed for a neutral atom to remove an electron is called its ___.

Accepted Answer

ionization energy

Question 14

Mendeleev predicted properties of the undiscovered elements by the _____ on the periodic table.

Accepted Answer

positions

Question 15

Which of the following elements did Mendeleev not predict the properties of?

Accepted Answer

Helium

Question 16

The alkali metals are in _____.

Accepted Answer

group 1

Question 17

The noble gases are located in ___.

Accepted Answer

the p-block, group 18

Question 18

The ___-block is filled up entirely for all noble gases.

Accepted Answer

p

Question 19

Groups are organized in the periodic table according to ___.

Accepted Answer

column

Question 20

The energy needed for a neutral atom to gain an electron is its ___.

Accepted Answer

electron affinity

Question 21

Any noble gas configuration that ends in s1 means that element belongs in the _____.

Accepted Answer

alkali metal group

Question 22

What is the pattern of increasing atomic number in groups 1, 2, and 18?

Accepted Answer

8, 8, 18, 18, 32

Question 23

The element with the lowest electron affinity is:

Accepted Answer

Barium

Question 24

The lanthanides and actinides are ___.

Accepted Answer

located in the f-block

Question 25

The _______ are known for being nonreactive.

Accepted Answer

noble gases

Question 26

Periods are organized in the periodic table according to ___.

Accepted Answer

row

Question 27

Mendeleev did not discover the noble gases because elements were found based on their

Accepted Answer

reactivity

Question 28

The f-block contains the

Accepted Answer

lanthanides and actinides

Question 29

How many valence electrons does chlorine have?

Accepted Answer

7

Question 30

The following elements are known for being highly reactive:

Accepted Answer

alkali metals, halogens

Question 31

How many electrons are in the outermost level for Calcium?

Accepted Answer

2

Question 32

The element below with the largest atomic radius is:

Accepted Answer

Rubidium

Question 33

Arranging elements by the atomic number in a periodic table is currently called _____.

Accepted Answer

periodic law

Question 34

In period 4, there are 18 elements. What sublevel(s) is/are being filled in this period?

Accepted Answer

s, p, and d

Question 35

The element below with the largest ionization energy is:

Accepted Answer

Sulfur

Question 36

Mendeleev noticed the properties of the elements repeated periodically when arranged by ______.

Accepted Answer

atomic mass

Question 37

___ states that the properties of elements are functions of their atomic numbers.

Accepted Answer

Periodic law

Question 38

Group 17 contains the ____.

Accepted Answer

halogens

Question 39

Rubidium has ___ valence electrons.

Accepted Answer

1

Question 40

Atomic radius is defined as _____ the distance between two like atoms in a compound.

Accepted Answer

half

The Periodic Law

Questions 40

The Periodic Law

Questions 40