Atomic Structure & Periodic Table

EXAM REVIEW

Point to the Alkali Metals on your Periodic Table

Point to the Alkaline Earth Metals on your Periodic Table

List All the Metalloids

Point to the Halogens

Point to the Transition Metals

Which element is the Noble gas with the largest atomic mass

A: Aluminum

C: Iodine

B: Tin

D: Arsenic

Which is a metalloid (semi-metal) ?

If Nitrogen was found to be neutral, how many electrons

would it have?

P-236 has how many neutrons?

Is it an Isotope?

Write the Ion Symbol for a carbon atom that has 9

electrons

Draw the Lewis Symbol for Ca

Draw the Lewis Symbol for CaF2

Ge-75

List Protons, Electrons & Neutrons

Is GE-75 an isotope? Why?

An atom of Copper gained 2 electrons, draw the ION

SYMBOL.

SHOW YOUR CALCULATIONS

This element is a metalloid with five valence electrons and has the higher atomic mass of the

pair.

An atom of Iron was found to have 26 protons, 26 electrons, 32 neutrons. Is this Iron atom an Ion or an Isotope? Why?

A: Carbon

C: Bromine

B: Copper

D: Potassium

Which is a Halogen?

How many electron orbitals does Strontium have?

Manganese has how many protons, electrons, and

neutrons?

Which group of elements have no definite shape or volume?

This nonmetal has a valence number of one and is very

reactive

A: are repelled by the nucleus

C: have the highest energy level

B: prevent atoms from bonding

D: are held most tightly

An atom’s valence electrons are those electrons that:

How many total atoms are in CaCO3?

What is the Formula Mass?

What % is Carbon?

An atom of Aluminum was found to have 13 protons, 10

electrons, and 14 neutrons. Is this Aluminum atom an Ion or an

Isotope?

A: proton

C: electron

B: neutron

D: nucleus

Which of the following is found farthest from the center of an

atom?

A: Isotope

C: Completely different element

B: Ion

D: Compound

An element that has the same number of protons but a

different number of neutrons is known as a(n)…..

A: p+ & e- grouped together in a random pattern

C: p+ & e- grouped together in an alternating pattern

B: a core of p+ & n’s surrounded by e-

D: a core of e- & n’s surrounded by p+’s

Which of the following best describes an atom?

A: I & O

C: Fe & O

B: Ir & O

D: Pb & O

Iron oxides, such as rust, form when iron reacts with oxygen in the air. What are the chemical

symbols for the 2 elements found in iron oxide?

A: They have the same thermal conductivity

C: They have the same number of protons

B: They are noble (inert) gases

D: They are nonmetals

What do the elements sulfur, nitrogen, phosphorus &

bromine have in common?

A: semimetals

C: noble (inert) gases

B: nonmetals

D: metals

Which class of elements best conducts electricity?

SA: Homogeneous Mixture

C: Heterogeneous Mixture

B: Solution

D: Compound

What is a pure substance that is made from 2 or more

elements?