Question 1

Which direction on the periodic table do elements generally become less metallic in character?

Accepted Answer

Moving from bottom left to top right

Question 2

According to periodic trends, which element would have the greatest metallic character: Na, Mg, Al, or Si?

Accepted Answer

Na

Question 3

Metals tend to ______ electrons, while non-metals tend to ______ electrons.

Accepted Answer

lose; gain

Question 4

Which of the following elements is most likely to be classified as a metalloid?

Accepted Answer

Si

Question 5

Based on periodic trends, which element would have the lowest metallic character: K, Ca, Ga, or Br?

Accepted Answer

Br

Question 6

If you compare the metallic character of S and O, which element is more metallic and why?

Accepted Answer

S, because it is further down the group

Question 7

Which of the following statements best describes the trend in metallic character across a period?

Accepted Answer

Metallic character decreases from left to right

Question 8

Which element would you expect to have the greatest tendency to lose electrons: Li, Be, B, or F?

Accepted Answer

Li

Question 9

A patient is exposed to a substance that readily loses electrons and reacts with water to form a basic solution. Which type of element is most likely responsible?

Accepted Answer

A metal

Question 10

Which of the following elements is most likely to gain electrons in a chemical reaction: Na, Mg, Cl, or Al?

Accepted Answer

Cl

Question 11

Based on the periodic table, which element would have a greater metallic character: S or Se?

Accepted Answer

Se

Question 12

Which of the following best explains why metallic character increases down a group?

Accepted Answer

Atoms have more electron shells, making it easier to lose electrons

Question 13

Which element is most likely to be found in the top right corner of the periodic table and have low metallic character?

Accepted Answer

Ne

Question 14

A scientist is comparing the metallic character of two elements: one in Group 1 and one in Group 17. Which statement is most accurate?

Accepted Answer

The Group 1 element is more metallic

Question 15

Which of the following elements is most likely to be a non-metal based on its position in the periodic table: P, K, Ca, or Fe?

Accepted Answer

P

Question 16

If you move from left to right across a period, what happens to the tendency of elements to lose electrons?

Accepted Answer

It decreases

Question 17

Which element would have the greatest metallic character: Cs, Ba, Au, or Pb?

Accepted Answer

Cs

Question 18

Which of the following is a correct classification based on the periodic table: metals, metalloids, and non-metals?

Accepted Answer

Metals are on the left, non-metals on the right, metalloids in between

Question 19

Which element would you expect to have the least tendency to gain electrons: F, O, N, or Li?

Accepted Answer

Li

Question 20

A student claims that metallic character increases as you move from the top right to the bottom left of the periodic table. Is this statement correct?

Accepted Answer

Yes, because elements become more metallic in that direction

Periodic Trends and Metallic Character in the Periodic Table

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