Atoms

Question 1

How is atoms consisted of?

Answer 1

Single nucleus with positive charge surrounded by a cloud of negatively charged electrons

Question 2

Consists of an aggregation of atoms held together by valence forces

Answer 2

Molecule

Question 3

A group of two or more atoms that form the smallest identifiable unit

Answer 3

Molecules

Question 4

Two atoms that are chemically bonded

Answer 4

Diatomic Molecules

Question 5

Two identical atoms chemically bonded (O2)

Answer 5

Homonuclear

Question 6

Two different atoms chemically bonded (CO)

Answer 6

Heteronuclear

Question 7

Molecules containing more than two atoms (CO2)

Answer 7

Polyatomic molecules

Question 8

Atoms of different chemicals can combine

Answer 8

Molecular bonding

Question 9

Substance formed by chemical union

Answer 9

Chemical bonding

Question 10

Identical atoms bonding together with identical proportion and differ only in arrangements

Answer 10

Isomers

Question 11

Sharing of an electron pair between two atoms

Answer 11

Covalent bonding

Question 12

Atoms that have net electrical charge

Answer 12

Ions

Question 13

Fewer electrons than protons have a net positive charge

Answer 13

Cation

Question 14

More electrons than protons have a net negative charge

Answer 14

Anions

Question 15

Cations and anions in a ratio that results no net electrical charge

Answer 15

Ionic compounds

Question 16

Attracted to more than one nucleus

Answer 16

Covalent compounds

Question 17

Contains cations and anions

Answer 17

Ionic compounds

Question 18

What is the attraction between ionic compounds?

Answer 18

Attractive electrostatic interactions

Question 19

Simply the name of the element followed by the word ion

Answer 19

Na = Sodium ion
Al = Aluminum ion

Question 20

Indicated by a roman numeral in a parentheses after the element name followed by the word ion

Answer 20

Stocky system

Question 21

The stem of the element name comes from the latin name of the element

Answer 21

Common system