Periodicity (1.3)

Question 1

Which of these metals has the greatest attraction for valence electrons?

Accepted Answer

Beryllium

Question 2

Which of the following elements is found in group 6A/16?

Accepted Answer

Selenium (Se)

Question 3

Arsenic (As) is classified as a.....

Accepted Answer

Metalloid

Question 4

Which element has the largest ionization energy?

Accepted Answer

Argon

Question 5

Which of the following elements is NOT a halogen?

Accepted Answer

Neon

Question 6

Why do elements in the same group have similar chemical properties?

Accepted Answer

They have the same number of valence electrons.

Question 7

Which group of elements will not have electronegativity values?

Accepted Answer

Group 18 (8A)

Question 8

Why does ionization energy increase when going up a group?

Accepted Answer

Smaller elements require more energy to lose electrons.

Question 9

How does reactivity trend for nonmetals in the same group?

Accepted Answer

Increases up a group

Question 10

Which element is in Period 4 and Group 3A/13?

Accepted Answer

Gallium

Question 11

Which of the following would likely be the least resistant to electricity and heat?

Accepted Answer

Silver (Ag)

Question 12

Which of the following would likely have a low melting point?

Accepted Answer

Chlorine (Cl)

Question 13

Which of the following would be an alkali metal?

Accepted Answer

Sodium

Question 14

Why are metals more reactive at the bottom of their groups?

Accepted Answer

Larger atoms lose electrons more easily

Question 15

Which of the of the following elements would have the largest atomic radius?

Accepted Answer

Lithium

Questions 15