Question 1

Which of the following elements is a gas at standard room temperature (25°C) and pressure (1 atm)?

Accepted Answer

Neon

Question 2

At standard room temperature and pressure, which state of matter maintains both a fixed shape and a fixed volume?

Accepted Answer

Solid

Question 3

Which element in the 2nd period of the periodic table is a representative element and exists as a gas at room temperature?

Accepted Answer

Neon

Question 4

Which of the following elements is a diatomic solid at room temperature?

Accepted Answer

Iodine

Question 5

Which of the following elements is a nonmetal that is a homonuclear polyatomic solid at room temperature?

Accepted Answer

Sulfur

Question 6

Which of the following statements best describes the behavior of gases at room temperature?

Accepted Answer

Gases assume both the shape and volume of their container.

Question 7

Which of the following elements is most likely to exist as a diatomic molecule in the gaseous state at room temperature?

Accepted Answer

Chlorine

Question 8

Which element is a noble gas in the 2nd period of the periodic table?

Accepted Answer

Neon

Question 9

Which of the following elements is a solid at room temperature and is not a metal?

Accepted Answer

Sulfur

Question 10

Which of the following elements is a halogen that exists as a gas at room temperature?

Accepted Answer

Chlorine

Question 11

Which of the following elements is a representative element in the 2nd period and is a metalloid?

Accepted Answer

Boron

Question 12

Which of the following elements is most likely to exist as a monoatomic gas at room temperature?

Accepted Answer

Argon

Question 13

Which of the following elements is a solid at room temperature and is classified as a metalloid?

Accepted Answer

Silicon

Question 14

Which of the following elements is a liquid at room temperature?

Accepted Answer

Bromine

Question 15

Which of the following elements is a nonmetal and exists as a diatomic molecule in the solid state at room temperature?

Accepted Answer

Iodine

Question 16

Which of the following elements is a representative element in the 2nd period and is a solid at room temperature?

Accepted Answer

Boron

Question 17

Which of the following elements is a noble gas and does not form diatomic molecules?

Accepted Answer

Argon

Question 18

Which of the following elements is a nonmetal and exists as a homonuclear polyatomic solid at room temperature?

Accepted Answer

Sulfur

Question 19

Which of the following elements is a halogen and exists as a liquid at room temperature?

Accepted Answer

Bromine

Question 20

Which of the following elements is a solid at room temperature and is a metalloid in the 2nd period?

Accepted Answer

Boron

States of Matter and Periodic Table Elements at Standard Conditions

Study Guide - Practice Questions