chemistry final exam

Ionization energy increases

• from L to R and from bottom to top

• from L to R and from top to bottom

• from R to L and from bottom to top

• from R to L and from top to bottom

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atomic radius decreases from left to right across a period because from left to right there is

• increasing number of valence electrons

• increasing shielding

• increasing effective nuclear charge

• increasing number of protons in the nucleus

Tags

NGSS.HS-PS1-1

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atom with the largest atomic radius in Group 18 is - 

• Ar
• He
• Kr
• Rn

The element with the highest electronegativity is -

• At

• F

• Cl

• Br

Tags

NGSS.HS-PS1-2

Which of the following is the correct atomic symbol for Sodium?

• Na
• NA
• na
• So

What is the atomic mass of Nitrogen?

• 14.01
• 7
• 11.32
• 15

Which of the following elements has an atomic number of 27?

• Cobalt
• Bismuth
• Lead
• Carbon

What of the following elements has an atomic number of 19?

• P
• K
• F
• C

Tags

NGSS.HS-PS1-1

What is the atomic number of Mercury?

• 80
• 42
• 88
• 86