AY 2526 JC1 Atomic Structure

ATOMIC STRUCTURE

Match

Match the following

behavior of subatomic particles in electric field

• proton

• electron

• neutron

bend towards negative charged plate

bend towards positive charged plate

not deflected

• bend towards negative charged plate

• bend towards positive charged plate

• not deflected

Match

Match the following

subatomic particle and its relative charge and relative mass

• proton (p)

• electron (e)

• neutron (n)

charge +1

mass 1

charge -1

mass 1/1836

charge 0

mass 1

• charge +1

  mass 1

• charge -1

  mass 1/1836

• charge 0

  mass 1

Multiple Select

describe correct term of atomic number

the answer can be more than one

• number of proton in the nucleus of an atom

• number of proton and neutron in an atom

• proton number

• number of proton and electron in an atom

Multiple Select

describe correct term of nucleon number

the answer can be more than one

• number of proton and electron in an atom

• number of proton and neutron in an atom

• proton number

• mass number

Match

Match the following

the atom and its respective proton

• nickel

• krypton

• gallium

• barium

• potassium

28

36

31

56

19

• 28

• 36

• 31

• 56

• 19

Match

Match the following

the species and its proton number

• calcium ion, Ca2+

• chromium ion, Cr3+

• bromide ion, Br-

• sulfide ion, S2-

• copper ion, Cu2+

20

24

35

16

29

• 20

• 24

• 35

• 16

• 29

Match

Match the following

the species and its neutron number

• manganese atom

• cobalt(II) ion, Co2+

• bromide ion, Br-

• germanium atom

• calcium atom

30

32

45

41

20

• 30

• 32

• 45

• 41

• 20

Match

Match the following

the species and its number of electron

• calcium ion, Ca2+

• bromide ion, Br-

• oxide ion, O2-

18

36

10

• 18

• 36

• 10

Multiple Choice

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20

• 10

• 35

• 25

Multiple Choice

What is the atomic number of the atom pictured? 

• 9

• 10

• 18

• 19

Reorder

Using a periodic table (you can use the one in the textbook) order the following elements by mass number, least to greatest.

• lithium

• manganese

• Gallium

• yttrium

• Radon

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Match

Match the following:

• Electrons

• Protons

• Neutrons

• Nucleus

• Energy Level

negatively charged particle

positively charged particle

particles with no charge

center of atom

location of where negative charges exist

• negatively charged particle

• positively charged particle

• particles with no charge

• center of atom

• location of where negative charges exist

Multiple Choice

Which model was created after the discovery of the nucleus?

• Dalton's

• Rutherford's

• Quantum Mechanical

• Plum Pudding

Multiple Choice

An atom has 9 protons, 10 neutrons, and 9 electrons.

What is the charge on this atom?

• -1

• 0

• +1

• 19

• 18

Multiple Choice

An atom has 8 protons, 8 neutrons, and 10 electrons.

What is the mass of this atom?

• 8

• 16

• 18

• -2

Multiple Select

which descriptor are correctly applied to term "isotopes"

• same atom of the same element

• different atoms of the same element

• same proton and electron number

• same neutron number

• different neutron or nucleon number

Match

Match each definition with the correct term

• An atom that has lost or gained an electron

• An atom of an element with a different amount of neutrons

• A positively charged atom

• A negatively charged atom

Ion

Isotope

Cation

Anion

• Ion

• Isotope

• Cation

• Anion

Match

Match the following parts of the symbol to the correct term

• 27

• 13

• 3+

• 14

• protons

mass number

atomic number

ion charge

neutrons

13

• mass number

• atomic number

• ion charge

• neutrons

• 13

Multiple Choice

which atom has  5 neutrons?

• Li-6

• Li-7

• Li-8

• they have the same # of neutrons

Multiple Choice

If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. ⁷⁷₃₅X  II. ⁷⁸₃₅X  III. ⁸¹₃₇X  IV. ⁸¹₃₆ X

• I and II

• III and IV

• I and IV

• I and III