Ch. 4 Practice Physical Science

The development of the modern periodic table came as a result of

• scientists attempting to arrange the information known to them.

• scientists recognizing the periodic nature of elements

• scientists organizing the elements in a way that relates their position with the structure of the atoms themselves.

• All answers are correct

The modern periodic table arranges elements according to

• atomic numbers

• atomic masses

• triads

Elements that have the same number of valence electrons are in the same

• Column

• Row

• Period

Where are nonmetals found on the periodic table?

• to the right of the heavy stairstep line

• along the heavy stairstep line

• to the left of the heavy stairstep line

How many valence electrons do the alkaline-earth metals have?

• one

• Two

• Six

• Seven

Plutonium, found below the main body of the periodic table, is best classified as a(n) ______________.

• inner transition metal

• metalloid

• nonmetal

• transition metal

Refer to a periodic table. What is the family name for the group containing Bromine?

• alkaline-earth metals

• halogens

• mixed group

• noble gases

Refer to a periodic table. Which diagram shows the correct electron dot notation for calcium?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which of the following has the largest atomic radius?

• sodium

• argon

• cesium

• radon

Which of the following correctly arranges the elements from greatest electronegativity to the least?

• fluorine, nitrogen, carbon, lithium

• carbon, fluorine, lithium, nitrogen

• lithium, carbon, nitrogen, fluorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2