ATI TEAS 7 CHEMISTRY EXAM QUESTUIONS AND ANSWERS | GRADED A

ATI TEAS 7 CHEMISTRY EXAM
QUESTUIONS AND ANSWERS



Where do electrons orbit?

Around the nucleus in shells

Do neutrons have an electrical charge?

No

Atoms of same element that has a different number of neutrons

Isotopes

How do you find atomic mass?

Protons + neutrons



Bonds formed when atoms share electrons to achieve stability

Covalent bonds

Example of covalent bonds

H2, H2O, O2

Do ionic bonds have a high or low electronegativity?

High

Do covalent bonds have a high or low electronegativity?

, Atoms that gained or lost protons and as a result have a charge that is positive or
negative

Ions

A chart that shows how other elements are related to one another

Periodic table of elements

What are the columns of the periodic table called?

Groups/families

What are the rows of the periodic table called?

Periods

What are the first two rows of the periodic table?

Alkali and alkaline earth metals (active metals)

What is the middle of the periodic table?

Reactive metals

What are the elements on the far right of the periodic table?

Noble/inactive gases

What do the groups on the periodic table represent?

How many valence electrons are found in the atom

Areas where electrons are likely found

Orbitals

Which orbital is spherical?

S orbitals

Maximum electrons in s orbital