Unit 2 - Periodic Table Review

Question 1

When moving from right to left in a period on the periodic table, which of the following is true?

Accepted Answer

ability to conduct electricity increases

Question 2

Which of the following is false about a binary ionic compound?

Accepted Answer

it consists of two different atoms

Question 3

Which of the following is a list in the order of a metal, semimetal, and nonmetal?

Accepted Answer

K, Ge, Kr

Question 4

Copper and sulfur are heated in a crucible for 10 minutes. The result is best classified as a _

Accepted Answer

compound

Question 5

Which of the following elements would be considered to have the most metallic character?

Accepted Answer

sodium

Question 6

Which of the following is written correctly for the compound OsBr3?

Accepted Answer

osmium (III) bromide

Question 7

Which group of elements are not likely to be found on their own in nature?

Accepted Answer

halogens

Question 8

Metals are usually not very ______.

Accepted Answer

brittle

Question 9

If tantalum and nitrogen react together to form a compound, the metal will ___.

Accepted Answer

lose 5 electrons

Question 10

Students are asked to use a mixture in a lab. Which of the following substances should they choose?

Accepted Answer

salt water

Questions 10