2nd 9 Weeks DCA Review

Front

What is the correct name for the formula BeI₂?

Back

beryllium iodide

Front

What is the name for NaH?

Back

sodium hydride

Front

Which atom has the largest atomic radius: potassium, rubidium, francium, or cesium?

Back

francium

Front

Which of the following is NOT a description for metallic bonds: Conduct heat, Conduct electricity, Dissolve in water, Sea of electrons?

Back

Dissolve in water

Front

As you move down a group in the periodic table, atomic radius increases because: you add more and more neutrons, you add more and more protons, you add more and more shells (energy levels), or you add more atomic mass?

Back

you add more and more shells (energy levels)

Front

What is the definition of a metallic bond?

Back

A bond formed by the attraction between positively charged metal ions and the electrons around them.

Front

What is the trend in ionization energy as you move across a period from left to right?

Back

Ionization energy generally increases.

Front

What is the trend in electronegativity as you move down a group in the periodic table?

Back

Electronegativity generally decreases.

Front

What is the definition of atomic radius?

Back

The distance from the nucleus of an atom to the outermost shell of electrons.

Front

What is the significance of the 'sea of electrons' in metallic bonding?

Back

It allows metals to conduct electricity and heat.