Chemical Bonding

Front

Which of the following best describes covalent bonding? Transfer of electrons between atoms, Sharing of electrons between atoms, Attraction between oppositely charged ions, Formation of a metallic lattice structure

Back

Sharing of electrons between atoms

Front

Why do noble gases under normal conditions not form chemical bonds? Options: They all have 2 valence electrons and don't have to, their outer energy level/orbit is empty, their outer orbit is full of valence electrons, they all have 8 neutrons

Back

Their outer orbit is full of valence electrons

Front

How many electrons are needed to fill the outer orbit of most atoms?

Back

8

Front

In a covalent bond, one or more electrons are? Options: shared, lost, gained, transferred

Back

shared

Front

The joining of atoms to form new substances is called?

Back

chemical bonding

Front

The atomic number of an element tells you what about that element? Options: number of ions, number of valence electrons, number of electrons, what is an element?

Back

number of electrons

Front

When an element loses or gains an electron, it is called a?

Back

ion

Front

This type of model shows only the valence electrons of an element?

Back

Lewis-dot diagram

Front

Which type of element has few valence electrons (1 or 2) and is eager to lose them? Options: metals, nonmetals, metalloids, noble gases

Back

metals

Front

What molecule is this? Options: CO, CO2, C2O, C2O2

Back

CO2