Which of the following is an element?

Orange juice

HCl

Acid

Oxygen

In order to be considered science, something must be

The section of the comprehensive annual financial report that presents tables and charts showing social and economic data in addition to financial trends, fiscal capacity, and operating information of the government is the: A. Introductory section.

Which family in the periodic table has elements that are all radioactive

Find the number of moles of water that can be formed if you have 138 mol of hydrogen gas and 64 mol of oxygen gas.

Give answer with correct number of significant figure 600*180

Which of the following do scientists use to form a hypothesis?.

How many moles of carbon are in 7.87x10^7 carbon molecules?

The phases of the moon are caused by the changing positions of the Earth and the Moon in relation to the Sun. Which items could best be used to represent the Sun, the Earth, and the Moon in a model that shows the phases of the Moon? A.

Describe your observations of the original solutions. Describe your observations when the silver nitrate was added to the sodium chloride solution.

A gas occupies 18.5L at stp. what volume will it occupy at 735 torr and 57°c?