Unit 3 Test RVW (Physical Sci.)

Which of the following extended groups on the Periodic Table contains the most elements?

• Metals

• Nonmetals

• Metalloids

• Noble Gasses

Boron, located in Period 2 and Group 13, is a metalloid or semi-metal. Where are the metalloids located?

• To the left of the zigzag line

• Along the zigzag line

• To the right of the zigzag line

• At the bottom of the Periodic Table

If an element has 7 electrons in its valence shell, it is considered to be?

• Highly reactive

• Neutral

• Inert

• A metal

Who created the first Periodic Table of Elements?

• Albert Einstein

• Ernest Rutherford

• Dmitri Mendeleev

• Democritus

Nuclear fusion occurs when nuclei:

• Split

• Mutate

• Combine

• Gain energy

Tags

NGSS.HS-PS1-8

Which of the following is NOT an example of a metal?

• Magnesium (Mg), Period 3/Group 2

• Lithium (Li), Period 2/Group 1

• Calcium (Ca), Period 4/Group 2

• Carbon (C), Period 2/ Group 14

Which of the following represents examples of physical properties of elements?

• melting point, boiling point, and reactivity

• melting point, boiling point, and states of matter

• flammability, reactivity, and valence electrons

• reactivity, states of matter, and density

Tags

NGSS.MS-PS1-4

Which of the following groups have elements that are known as noble or inert gases?

• Elements in Group 1

• Elements in Group 2

• Elements in Group 17

• Elements in Group 18

Which of the following are smaller than the atom?

• Subatomic particles

• Compounds

• Molecules

• Elements

The total mass of an atom consists of which of the following particles?

• Protons only

• Protons & Electrons

• Protons & Neutrons

• Neutrons & Electrons