The following could be classified as ___.

The following could be classified as ___.

What element do all organic compounds contain?

Which is a physical property of matter?

Which is a chemical property of matter?

Density can be used as a physical property for identification of a substance because the density of a substance ___.

What is the pH of a neutral substance?

Which best describes strong acids and bases on the pH scale?

Which chemical property describes a substance that reacts rapidly with oxygen and gives off heat?

Which scientist discovered that most of an atom's mass is contained in its nucleus and the rest is nearly empty space?

Which scientist is responsible for first discovering that all the atoms of a particular element are identical, but are different from the atoms of all other elements?

Where is most of the mass of an atom located?

What is the subatomic particle that orbits the nucleus and has a negative charge?

Which scientist proposed a model of the atom in which the individual atoms were thought of as positively charged spheres with negatively charged electrons embedded in it?

Which scientist proposed a model of the atom in which the individual atoms were thought of as a large sphere in the middle with a positive charge and negatively charged electrons revolving around the center like the planets around the sun?

Which scientist saw the atom as a solid sphere?

According to modern atomic theory, electrons are found ___.

What is the correct ordering of these small parts of matter, from the smallest to the largest?

The atom has an overall ___.

Referring to the periodic table, the element calcium (Ca) should have the most properties in common with ___.

All elements in the same group have the same number of ___.

Number 1 is pointing to ___.

Number 2 is pointing to ___.

Number 3 is pointing to ___.

When a metal bonds with a nonmetal, the metal gives an electron to the nonmetal. Which type of bond is created?

When two nonmetals share electrons, what is this occurrence called?

There are very few chemically stable atoms. Which group of elements contains the most stable atoms?

What does the atomic number of an element indicate?

Which families of the periodic table are the most chemically reactive?

What is an example of a physical change in matter?

Which is an example of a chemical change?

A chemical reaction that releases energy is called ___.

In a chemical equation, ____.

The nuclear reaction used in nuclear power generating plants can be dangerous. This is because the byproducts are ___.

The process of splitting an atom's nucleus and releasing a large amount of energy is called ___.

Balance the following equation: H₂ + O₂ -> H₂O

What is an example of an endothermic reaction?

Which process do hydrogen atoms use to make the Sun's energy?

One advantage to using nuclear power is ___.