Unit 2 Review Jeopardy

Atomic Structure

100

The positively charged subatomic particle

Proton

200

The Atomic Number is equal to the number of...

Protons

300

The negatively charged subatomic particle

Electron

400

These subatomic particles are located INSIDE the nucleus on the atom

Protons & Neutrons

500

The number of protons and the number of neutrons in a Bromine-80 atom

P = 35

N = 45

Isotopes & Average Atomic Mass

100

Mass number = ___?___ + ___?___

protons + neutrons

200

True or False: Isotopes are atoms of the SAME element with DIFFERENT number of electrons. 

FALSE

Same element, different number of NEUTRONS

300

Which are pairs of isotopes? 

a) ⁴⁰K and ⁴⁰Ca

b) ⁴⁰K and ³⁹K

c) ⁷Li and ¹⁴N

b) ⁴⁰K and ³⁹K

400

Which is the most abundant isotope for Lithium? (average atomic mass = 6.941 amu)

The Lithium-7 isotope

500

Calculate the average atomic mass for Uranium: ²³⁵U with 235.0439 amu and 0.72% abundance, and ²³⁸U with 238.0508 amu and 99.28% abundance. 

238.03 amu

Element's Names & Symbols

100

H

Hydrogen

200

F

Fluorine

300

B

Boron

400

Na

Sodium

500

K

Potassium

Ions

100

The term for a positively charged atom

Cation

200

The term for a negatively charged atom

Anion

300

The charge Boron usually forms

+3

400

The charge Carbon usually forms

+4 or -4

500

The number of electrons in the Sn⁺⁴ ion

46 electrons

Valence Electrons

100

Where to look on the Periodic Table to determine the number of valence electrons an element has

The group number (example: 3A)

200

The number of valence electrons Boron has

3

300

The number of valence electrons Hydrogen has

1

400

The number of valence electrons Argon has

8

500

Where are valence electrons located in the atom? 

The outermost electron orbit/shell