Lesson Summary. A substance is simply a pure form of matter. In other words, a substance is matter than contains only one type of atom or molecule. Pure substances can be further divided into two sub-categories: elements and compounds.

Explanation:

Radhe Radhe❤

4 0

3 years ago

When an atom of iron loses all of its 4s electrons and one of its 3d electrons, what is its charge?

icang [17]

There are two electrons in 4s and 6 in 3d. When you lose 3 electrons, you will be left with an ion of 3+ charge!

5 0

4 years ago

Which wave is carrying the most energy? A wave with large amplitude. A wave with very large amplitude. A wave with small amplitu

tankabanditka [31]

Answer:

A wave with small amplitude.

Explanation:

Amplitude us inversely proportional to energy so the smaller the amplitude, the higher the energy.

Hope it helps.

4 0

4 years ago