4.1 - 4.2 Quiz (Periodic Law and Groups)

What is the best definition of Periodic Law?

• There is never any repetition of chemical or physical properties of the elements

• There is periodic repetition of chemical and physical properties of the elements

• There is periodic repetition of atomic numbers of the elements

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Mendeleev organized the elements by atomic mass in each of the rows. How are they actually organized?

• Mass Number

• Atomic Number

• Number of Neutrons

• Number of Electron Shells

Each column is called a ​ (a)   and each row is called a ​ (b)   on the Periodic Table.

• group
• period
• valence

What is true about a group on the periodic table?

• They have similar electron configurations

• They have similar properties

• They have different properties

• They have the exact same electron configurations

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is true when going across a period on the periodic table?

• They decrease in atomic number

• They increase in atomic number

• Each element in a period has a similar electron configuration (example all s1)

• Each element in a period has the same number of electron shells.

Which of the following groups of elements would have THE MOST similar properties?

• N, O, F

• Ni, Cu, Zn

• Li, Na, K

• B, Si, As

Tags

NGSS.HS-PS1-1

Which of the following sets of elements are all in the same period?

• Li, Na, K

• Fe, Zn, Kr

• Al, Ge, Sb

• Kr, Xe, I

Which of the following are properties of metal?

• Do not conduct electricity

• Conduct Electricity

• Malleable

• Usually liquid at room temperature

Which of the following are properties of non-metals?

• Do not conduct electricity

• Conduct heat and electricity

• Malleable

• Usually gas at room temperature

Label each part of the periodic table correctly.

a

b

c

Metalloids

Nonmetals

Metals