Science Test 2.1

Question 1

Atom

Answer 1

A particle of matter that uniqely defines a chemical element (c6h12o6)

Question 2

Nucleus

Answer 2

Contains genetic materials

Question 3

Element

Answer 3

A piece of matter (ask ms h)

Question 4

Isotope

Answer 4

an Atom that has the same # of protons but a different # of Neutrons

Question 5

Compound

Answer 5

Substance made up of two or more chemical elements

Question 6

Atomic Number

Answer 6

of protons in single matter

Question 7

Atomic Mass

Answer 7

Average mass of atoms in a chemical element

Question 8

Ionic Bond

Answer 8

When two or more atoms after the transfer of one or two or more electrons

Question 9

Covalent Bond

Answer 9

Formed by the equal sharing of electrons from two atoms

Question 10

Molecule

Answer 10

Two or more chemical atoms connected by a Bond

Question 11

Hydrogen Bond

Answer 11

A weak bond between two molecules resulting in an electroastactic attraction between two molecules

Question 12

Ion

Answer 12

An Atom or group of atoms that carries a posotive or negative charge as a result of having lost or gained more than one electron

Question 13

What three subatomic particles make up the atom?

Answer 13

Protons, Neutrons, Electrons

Question 14

What is the charge/location of each?

Answer 14

ASK MS H

Question 15

What particle is responsible for the identity of an element?

Answer 15

Proton

Question 16

What particle is responsible for bonding?

Answer 16

Electrons

Question 17

How are all of the isotopes of an element similar and different from each other?

Answer 17

Same protons but different neutrons

Question 18

How do covalent bonds form

Answer 18

When electrons are shared between atoms and are attracted by the nuclei of both atoms

Question 19

How do Ionic bonds form

Answer 19

The transfer of one or more electrons between atoms

Question 20

What are the relative strengths of the three bond types?

Answer 20

Triple Bond Double Bond Single Bond