On the periodic table why is potassium k? on the periodic table, why is potassium represented as k?

What lightens stains better vinegar or lemon juice also what is the hypothesis for it

How many moles were required to prepare 500mL of a 0.45M calcium chloride solution?

What is created when combustion happens without enough oxygen? a. carbon dioxide b. water c. coal d. soot

What is kinetic energy and Thermal energy

How many calories are released when 500 g of water cools from 95.0°C to 25.0°C?

Which kind of dating can be used to determine the exact age of the rock and which kind of carbon dating is used to compare the ages of rocks?

Calculate the density of an object with a mass of 30g and volume of 6cm^3

What happens when light from the sun passes through any type of matter? the light slows down. the light speeds up. most of the light is absorbed. most of the light is reflected.

What is the chemical name for Fe (HCO3) 2

How are protons, electrons, and neutrons correctly compared