Ch 2 Video 1

A molecule made of two or more atoms that are different elements is called a

Two or more atoms that are linked together by a chemical bond are called a 

Which of the following subatomic particles are found in shells around the nucleus of an atom?

Why do atoms interact and form chemical bonds? 

A bond between atoms that involves the sharing of 2 pairs of electrons is called 

The equal sharing of a pair of electrons is called 

Which type of bond is the weakest and easiest to break? 

Chemistry is 

The most common element in the human body is 

Isotopes are two atoms that differ in their 

Which type of bond would form between two hydrogen atoms? 

The smallest stable units of matter are called

A anion 

The atomic number of an atom is the number of 

A polar covalent bond involves 

When ions of opposite charges are attracted to each other they then form 

Which type of bond is the strongest and hardest to break?

An atom has 1 electron in its valence shell, which is most likely to occur?

Which of the following is not considered matter? 

How many electron shells would this element have?

Which type of bond forms between neighboring water molecules? 

An atom that loses one or more electrons and has a positive charge is called a 

An atom that gains one or more electrons and has a negative charge is called a

When an atom either loses or gains an electron it is now referred to as 

An atom has 9 protons, 3 neutrons, and 9 electrons. Its atomic number is 

This subatomic particle has no charge and a mass of 1 

The unequal sharing of a pair of electrons is called 

How many electrons does the first electron shell hold? 

An atom has 9 protons, 3 neutrons, and 9 electrons. Its atomic mass is 

A cation 

Which of the following is an example of a compound? 

When an atom has a different number of protons than electrons it is called 

How many electron shells would the following element have?

A proton has  

How many electrons does the second electron shell hold?

Which type of bond would form between K+ and Cl-? 

An atom has two electron shells. In its outer valence shell there are 7 electrons. Which is most likely to occur? 

All neutral atoms have

How many electrons does the third electron shell hold?

Which of the following is not found inside the nucleus of an atom? 

Which type of bond breaks easily when the substance is placed in water? 

A neutron has 

Two atoms that are the same element (have the same number of protons) but have a DIFFERENT number of neutrons are called

Which subatomic particle determines the reactivity of an atom? 

This subatomic particle has a negative charge and no mass 

A weak bond formed between a cation and an anion is called a ___ bond.

Which of the following is not a subatomic particle? 

This subatomic particle has a positive charge and mass of 1 

An electron has 

The number of protons will tell you the 

Which of the following is true of the atoms below?

Which type of bond involves the sharing of electrons between atoms?

An atom has two electron shells. In its outer valence shell there are 6 electrons. Which is most likely to occur? 

A nonpolar covalent bond involves 

Which type of bond forms between a hydrogen atom and an oxygen atom in a water molecule? 

Which of the following is a molecule? 

The outermost electron shell is also referred to as the 

Which of the following not a compound? 

Which type of bond forms as a result of polar covalent bonds creating areas in a molecule with slight charges? 

Which of the following is an element? 

Substances that dissolve in water and produce ions are called