Periodicity and Chemical Bonding 2nd Day

Question 1

The type of bond between each element in sodium oxide (Na2O) is _____

Accepted Answer

ionic

Question 2

The two regions of an atom are _____ and _____

Accepted Answer

nucleus, electron cloud

Question 3

Most of the elements on the periodic table are non-metals.

Accepted Answer

False

Question 4

How many electrons can each orbital contain?

Accepted Answer

2

Question 5

An example of an ionic bond is _____

Accepted Answer

CaF2

Question 6

Matter consists of anything _____

Accepted Answer

that has mass and occupies space

Question 7

As I move from top (period 1) to bottom (period 7) on the periodic table electron affinity

Accepted Answer

decreasses

Question 8

Chemistry is the study of _____

Accepted Answer

matter and its properties and behaviours

Question 9

The type of bond between each of the atoms in table sugar (C12H22O11) is _____

Accepted Answer

covalent

Question 10

All of the elements in period 6 of the periodic table have _____ energy levels.

Accepted Answer

6

Question 11

Noble gases (group 8) are inert (unreactive) because they have a full valence shell with 8 electrons.

Accepted Answer

True

Question 12

The three particles that comprise an atom are _____, _____ and _____

Accepted Answer

protons, neutrons, electrons

Question 13

Which type of bond forms between a metal and a non-metal and results in a hard solid with a high melting point

Accepted Answer

ionic

Question 14

When the elements in group 6 of the periodic table form ions their radius _____

Accepted Answer

increases

Question 15

Electron affinity describes the energy released as an electron is added to an atom

Accepted Answer

True

Question 16

Oxygen (O) has an electronegativity (EN) of 3.5 and hydrogen (H) has an EN of 2.1. The EN difference is

Accepted Answer

1.4

Question 17

Ionization energy describes the energy released as an electron is added to an atom.

Accepted Answer

False

Question 18

The type of bond that holds atoms together in molecules like calcium fluoride (CaF2) and magnesium oxide (MO) is _____

Accepted Answer

ionic

Question 19

The most electronegative element on the periodic table is _____

Accepted Answer

Fluorine (F)

Question 20

Adjacent elements increase _____ by 1 as I move from left (group 1) to right (group 8) on the periodic table

Accepted Answer

Atomic Number

Question 21

In chemistry, as in the rest of science and all but 3 nations on Earth, we use the following system of measurement.

Accepted Answer

metric

Question 22

The type of bond that holds atoms together in molecules like oxygen (O2), ammonia (NH3) and methane (CH4) is a _____

Accepted Answer

covalent

Question 23

All the elements in group 3 of the periodic table have _____ valence electronss

Accepted Answer

3

Question 24

A nonpolar bond occurs when there is an electronegativity difference of _____

Accepted Answer

less than 0.4

Question 25

A chemical bond is the electrostatic attraction between two atoms that holds them together in a compound

Accepted Answer

True

Question 26

One property of metals is that they _____

Accepted Answer

conduct electricity

Question 27

Hydrogen (H) and Helium (He) do not obey the Octet Rule because they only have 1 energy level which is filled with _____

Accepted Answer

2 electrons

Question 28

The p sublevel of the 2nd energy level can hold up to _____ total electrons.

Accepted Answer

6

Question 29

This term refers to the regular changes in physical and chemical properties across the periodic table that cause trends.

Accepted Answer

Periodicity

Question 30

A diamond consists only of carbon (C) atoms. The type of bond between each atom is _____

Accepted Answer

covalent

Question 31

Based on the electronegativity difference of 1.4 between oxygen and hydrogen we can determine that they _____ bond

Accepted Answer

polar covalently

Question 32

Volume can be accurately measured with a _____

Accepted Answer

graduated cylinder, pipette

Question 33

One of the typical characteristics of ionic compounds is that they _____

Accepted Answer

conduct electricity when dissolved in water, are brittle

Question 34

Pauli's Exclusion Principle states electrons that occupy the same orbital will have opposite spin to maximize distance

Accepted Answer

True

Question 35

electronegativity is the energy required to remove an electron from an atom

Accepted Answer

False

Question 36

All the elements in group 2 (the alkaline earth metals) of the periodic table form _____ ions.

Accepted Answer

2+

Question 37

The electron configuration of oxygen (O) is _____

Accepted Answer

1s22s22p4

Question 38

According to Hund's Rule electrons will _____

Accepted Answer

occupy an empty orbital before pairing up in an occupied orbital

Question 39

A copper sheet consists of copper atoms bound together with _____ bonds

Accepted Answer

metallic

Question 40

When listed in decreasing order of radius the following order is correct Te2- > I- > Xe > Cs+ >Ba2+

Accepted Answer

True

Question 41

One of the typical characteristics of metals is that they _____

Accepted Answer

are sonorous, are lustrous, conduct electricity

Question 42

As I move from left (group 1) to right (group 8) on the periodic table electron affinity

Accepted Answer

increases

Question 43

The first element in PF6 is a/an _____ and the second element is a/an _____

Accepted Answer

nonmetal, nonmetal

Question 44

A dipole moment is the measure of the separation of positive and negative charges in a molecule.

Accepted Answer

True

Question 45

Which type of bond forms between atoms of the same metal element bonding with a 'sea' of delocalized electrons?

Accepted Answer

metallic

Periodicity and Chemical Bonding 2nd Day

Questions 45

Periodicity and Chemical Bonding 2nd Day

Questions 45