Electrons and the Periodic Table

Question 1

The electron configuration for Hydrogen is?

Accepted Answer

1s1

Question 2

Which of the following is the correct electron configuration for Phosphorus?

Accepted Answer

1s22s22p63s23p3

Question 3

Give the scientific name for the following compound: NH4NO3

Accepted Answer

ammonium nitrate

Question 4

What is an ion with a net negative charge called?

Accepted Answer

Anion

Question 5

How are binary ionic compounds formed?

Accepted Answer

By transfer of electrons

Question 6

Which element has 34 electrons?

Accepted Answer

Selenium

Question 7

Naming Ionic Compounds

Accepted Answer

Potassium Chloride

Question 8

How many shells does magnesium have?

Accepted Answer

3

Question 9

An ion is a charged particle.

Accepted Answer

True

Question 10

Name this substance: FeCl3

Accepted Answer

Iron (III) Chloride

Question 11

What is the magic number in ion examples?

Accepted Answer

8

Question 12

What is the formula for Sodium Oxide?

Accepted Answer

Na2O

Question 13

Writing Formulas for Ionic Compounds?

Accepted Answer

all of the above

Question 14

What does the periodic table indicate about electron arrangements?

Accepted Answer

Number of electrons in subshells

Question 15

What is the tendency of valence electrons to rearrange to form a stable/full valence shell called?

Accepted Answer

Octet Rule

Question 16

Why do atoms gain or lose electrons?

Accepted Answer

To become more stable

Question 17

Which group has similar properties?

Accepted Answer

Same group number

Question 18

What element has the electron configuration 1s22s1?

Accepted Answer

Lithium

Question 19

True or false: Valence electrons are always in the inner shell.

Accepted Answer

False

Question 20

What is an ion with a net positive charge called?

Accepted Answer

Cation

Question 21

What is the difference between a cation and an anion?

Accepted Answer

Charge

Question 22

What is the pattern in the periodic table?

Accepted Answer

Predictable electron arrangement

Question 23

What is the maximum number of electrons in the second shell?

Accepted Answer

8

Question 24

True or false: The atomic number equals total electrons. (IN A NEUTRAL ATOM)

Accepted Answer

True

Question 25

True or false: Electrons occupy distinct areas around the nucleus.

Accepted Answer

True

Question 26

What is the outermost shell called?

Accepted Answer

Valence shell

Question 27

Complete the electron configuration for calcium: 1s22s22p63s23p6...

Accepted Answer

4s2

Question 28

What is the name of this polyatomic ion: (PO4)3-

Accepted Answer

Phosphate

Question 29

How many valence electrons does sodium have?

Accepted Answer

1

Question 30

What element does an atom resemble after electron transfer?

Accepted Answer

Noble gas

Question 31

Naming Ionic Compounds

Accepted Answer

Calcium Carbonate

Question 32

What is the chemical formula for potassium bromide?

Accepted Answer

KBr

Question 33

Do metal atoms transfer electrons to nonmetal atoms when they form compounds?

Accepted Answer

True

Question 34

True or false: The number of valence electrons decreases across a period.

Accepted Answer

False

Question 35

Which endings do polyatomic anions typically have?

Accepted Answer

-ite or -ate

Question 36

How many electrons can the first shell hold?

Accepted Answer

2

Question 37

Naming Ionic Compounds

Accepted Answer

add -ide to end

Electrons and the Periodic Table

Questions 37

Electrons and the Periodic Table

Questions 37