Which is a characteristic of an Atoms

1. They come in 10 major types

2. They are smallest Unit of matter

3. They can be divided

4. They cannot combine together

Allena and Charissa were discussing whether Cl2 is an element or a compound. Allena said that it is an element because it has only one type of atom. Charissa said that it is a compound because it has more than one atom.

How many liters of nh3, at stp, will react with 5.3 g o2 to form no2 and water? 4nh3 (g) + 7o2 (g) - > 4no2 + 6h2o (g) ?

True Or False: "the baseball fans are cheering therefore a ball was hit out of the park" is an example of an inference.

A container of carbon dioxide gas at a pressure of 325 kPa and a temperature of - 5.20 °C has a fixed volume. What is the pressure inside the container after it warms to 22.5 °C?

What mass of copper is required to replace silver from 4.00g of silver nitrate dissolved in water

What is the chemical symbol for fluorine?

Where might you find products made from polystyrene

What is accuracy? The same as precision It refers to how closely individual measurements agree with each other. It referes to how closely a measured value agrees with the correct value. It increases with the number of measurements.

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

If the pressure of 125 l of gas is changed from 2.52 atm to 1.50 atm the new volume will be