Atomic structure 10-23-15

Question 1

ATomic number

Answer 1

This tells you how many protons

Question 2

Atomic mass

Answer 2

The mass of the Adam

Question 3

Mass number

Answer 3

The number of protons and neutrons

Question 4

Isotope

Answer 4

Two or more forms of the same element that contain different numbers of neutrons and protons

Question 5

Postulates of Dalton’s atomic theory

Answer 5

1. Each element is composed of extremely small particles called Adams
2. The Adams of a given element are identical the Adams of different elements are different and have different properties
3. Adams are neither created nor destroyed in chemical reactions
4. A Compound always has the same relative number and kind of Adam

Question 6

Postulate to

Answer 6

The Adams of a given element are identical the Adams of different elements are different and have different properties

Question 7

Postulate three

Answer 7

Adams of and Elliman are not change into different types of Adams by chemical reactions Adams are neither created nor destroyed in chemical reactions

Question 8

Postulate for

Answer 8

Compounds are formed when Adams of more than one element combined a given compound always has the same relative number and kind of Adam

Question 9

The development of the atomic model

Answer 9

Electrons are arranged in circular motion around the nucleus

Question 10

Angstrom

Answer 10

1×10 to the -10

Question 11

The three subatomic particles in a atom

Answer 11

Electron proton neutron

Question 12

Atom

Answer 12

Smallest particles that retain their identity