Science

Question 1

Responsible for the formation of metals and their properties such as shiny lustre, malleability, and conductivities for heat and electricity.

Answer 1

Metallic Bonding

Question 2

Valence electrons are “transferred” to another atom.

Answer 2

Ionic Bonding

Question 3

Class of Hydrocarbons based on chains of C atoms, including cycloalkane.

Answer 3

Aliphatic

Question 4

Covalent Compounds

Name PCl₃

Answer 4

PCl₃ → Phosphorus Trichloride

Question 5

Saturated hydrocarbons

Answer 5

single covalent bonds (alkane)

Question 6

organic

Answer 6

covalent

Question 7

Give formula of Methane

Answer 7

CH4

Question 8

determines age of organic materials using amount of carbon-14

Answer 8

Carbon dating

Question 9

Identify the chemical name for the hydrocarbon: CH3 - CH = CH - CH2 - CH2 - CH3

Answer 9

2-hexene

Question 10

2 nm

Answer 10

Covalent Bonding

Question 11

It refers to the formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound.

Answer 11

Chemical Bonding

Question 12

Formula for Alkenes

Answer 12

Cn H2(n)

Question 13

Inorganic

Answer 13

ionic

Question 14

Based on chains of carbon atoms
Consists of linear, branched, straight-chained, and/or exist in cyclic structures

Answer 14

Aliphatic

Question 15

nm, m

Answer 15

Ionic Bonding

Question 16

Ability to attract electrons

Answer 16

Electronegativity

Question 17

“share” with number of electrons.

Answer 17

Covalent Bonding

Question 18

1s^1. What element is this?

Answer 18

Hydrogen

Question 19

charge of electron when neutral is ___

Answer 19

neutron

Question 20

Ionic Compounds

Name KBr

Answer 20

KBr → Potassium Bromide

Question 21

Unsaturated hydrocarbons

Answer 21

double or triple bond (alkene or alkyne)

Question 22

Branch of chemistry in which we study carbon-containing compounds

Answer 22

Organic Chemistry

Question 23

Ionic Compounds

Name CaS

Answer 23

CaS → Calcium Sulfide

Question 24

Covalent Compounds

Name N₂O

Answer 24

N₂O → Dinitrogen Monoxide

Question 25

charge of electron when positive is ___

Answer 25

proton

Question 26

Anything that has mass and occupies space.

Answer 26

Matter

Question 27

charge of electron when negative is ___

Answer 27

electron

Question 28

atom or molecule with a positive or negative charge.

Answer 28

Ion

Question 29

He created the Bohr model, the most widely accepted model of the atom.

Answer 29

Niels Bohr

Question 30

Formula for Alkynes

Answer 30

Cn H2(n) - 2

Question 31

Give formula of Hexene

Answer 31

C6 H12

Question 32

if carbon has 12 mass number and 6 atomic no, how many neutrons does it have?

Answer 32

6

Question 33

in 1s^2, what does "s" represent?

Answer 33

orbital

Question 34

It is the arrangement of electrons in energy levels around an atomic nucleus.

Answer 34

Electron Configuration

Question 35

Three kinds of elements: \

Answer 35

Metals, Nonmetals and Metalloids

Question 36

in 1s^2, what does "1" represent?

Answer 36

principal quantum number

Question 37

Covalent Compounds Name SO₂

Answer 37

SO₂ → Sulfur Dioxide

Question 38

It is in the outermost shell of an atom. They are also able to interact with other atoms to form chemical bonds.

Answer 38

Valence Electrons

Question 39

Give formula of Pentyne

Answer 39

C5 H8

Question 40

Hydrocarbons are made of_____

Answer 40

hydrogen x carbon atoms

Question 41

Contains benzene or a heterocyclic ring

Answer 41

Aromatic

Question 42

Building blocks of matter.

Answer 42

Atom

Question 43

Gains. A negatively charged ion. (Nonmetals)

Answer 43

anion

Question 44

Two pairs of electrons are shared

Answer 44

Double bond

Question 45

What does spdf stand for?

Answer 45

Sharp Principal Diffuse Fundamental

Question 46

states that atoms gain, lose or share electrons to fill their outermost energy shell with 8 valence electrons.

Answer 46

Octet Rule

Question 47

Formula for Alkanes

Answer 47

Cn H2(n) + 2

Question 48

American physical chemist who devised a system of dots called the LEDS

Answer 48

Gilbert Lewis

Question 49

Ability to accept 1+ electrons

Answer 49

Electron affinity

Question 50

Ionic Compounds Name NaCl

Answer 50

NaCl → Sodium Chloride

Question 51

One pair of electrons are shared

Answer 51

Single bond

Question 52

TRUE/FALSE Noble gases always have 8 valence electrons.

Answer 52

true

Question 53

Used the symbol of an element and one dot to represent each valence electrons.

Answer 53

LEDS

Question 54

Three pairs of electrons are shared

Answer 54

Triple bond

Question 55

Loses. A positively charged ion. (Metals)

Answer 55

cation

Question 56

Give formula of Propene

Answer 56

C3 H6