Arrangement of Electrons in Atoms & The Period Law

What element in the second period has the largest atomic radius?

• Li

• Ne

• Be

• B

Tags

NGSS.HS-PS1-1

Which one of the following groups contains atoms that, in compounds, have the lowest attraction for electrons?

• Group 1

• Group 17

• Group 2

• Group 16

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the atoms below would have the lowest first ionization energy?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the element with the highest electronegativity value?

• Cs

• H

• F

• He

Tags

NGSS.HS-PS1-2

Of the following elements, which one has the smallest first ionization energy?

• Si

• B

• Al

• C

Tags

NGSS.HS-PS1-1

What is the charge of a cation?

• no charge

• a positive charge

• a negative charge

• The charge depends on the size of the nucleus.

Each period in the periodic table corresponds to a(n) ____.

• orbital

• energy sublevel

• principal energy level

• suborbital

Tags

NGSS.HS-PS1-1

To what category of elements does an element belong if it is a poor conductor of electricity?

• transition elements

• nonmetals

• metalloids

• metals

In which of the following sets are the charges given correctly for all the ions?

• N^- , O^2- , F^3-

• K⁺ , Sr²⁺ , O^2-

• Na⁺ , Mg⁺ , Al⁺

• Rb^- , Ba^2- , P³⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?

• 3f

• 4s

• 3d

• 2d

Tags

NGSS.HS-PS1-1