Elements and Compounds Quiz

How do you calculate the molar mass of a substance?

Carbon needs _____ electrons to fill its valence shell.

Why doesn't this crystal break when it's hit?

Name 5 noble gases

A ______ bond can be thought of as a structure in which the outermost electrons are shared by all atoms in that structure.

What is the Avogadro number?

True or False: Substances with very high melting points have particles that are held together by very strong attractive forces.

How do atoms in chemical elements bond?

What is the valence configuration of its valence shell?

Write the Avogadro constant without scientific notation.

Why do elements in the same group of the periodic table have similar chemical properties?

How does ionic bonding explain the fragility of ionic crystals?

True or False: A noble gas can only have four electrons in its outermost shell.

Which of these diagrams shows water in its solid, liquid, and gaseous states?

Explain the formation of fluorine and sodium ions.

How many moles are there in 20g of chlorine gas?

How do noble gases appear in nature?

Explain the bonding of sodium and fluorine ions.