Sonya reads the element riddle below.

I am shiny. I form + 1 ions. There's more!

I am the most reactive metal in Period 4.

Who am I?

Which element is the answer to the riddle?

krypton

potassium

sodium

bromine

How many grams of propane (c3h8) are required to produce 39.4g of water

At 50 degrees celcius and standard pressure intermolecular forces of attraction are strongest in a sample of a) ethanoic acid b) ethanol c) propane d) water

How many moles of oxygen are present in 33.6l of the gas at 1atm and 0c

24 how many moles are in 2.04 * 1024 molecules of h2o?

Which two types of clouds indicate fair weather

Convert from °F to °C 36.8 °F → °C

2. How many grams of sucrose would be needed to prepare 100. mL of a solution of 0.10 M sucrose? Show your calculations.

You have two separate containers each filled with a gas. The containers have the same volume and are at the same temperature. The gases also exert the same pressure. Which of the following statements are true? a.

Here is an important message is chemistry code. scandium, iodine, europium, nitrogen, cerium, iodine, sulfur, gallium, ruthenium, oxygen, oxygen, vanadium, yttrium. What is the message

Which process are driven primarily by Earth's internal heat (thermal) energy