The red color in the ore hematite is caused by the presence of what metal?

A. iron

B. sulfate

C. copper

D. aluminum

What it is alcohol in glass thermometer?

Covalent Bonding Answer the questions below. 1 Chlorine atoms have 17 electrons. Their electronic structure is 2,8,7 as shown in Figure 1.

Quiz 1. When a gas is heated, A all of the absorbed energy is converted to kinetic energy O B none of the energy is converted to kinetic energy Csome of the absorbed energy is converted to potential energy and some is converted to kinetic energy D

What is Mar's thin atmosphere mostly made of?

How many moles are in 5g of NaOH

Defined the following convection

The study of matter and the changes that occurs in matter

Which would be a good source to find weather information about your town from last month? reference book about weather old copies of local newspapers a magazine with weather articles

What is the difference between a mixture, compound, element and pure substance

It takes 554 kJ to remove one mole of electrons from the atoms at the surface of a solid metal. How much energy does it take to remove a single electron from an atom at the surface of this solid metal?