Physical Science- Term 2-2

The part of the atom with no electrical charge is the:

Some radioactive nuclei give off a type of electromagnetic radiation called:

According to the atomic theory, the location of an electron is best represented by:

The person that organized the first periodic table of elements was:

The most penetrating radiation given off by the nucleus is:

Reducing the energy used for _____ in most homes by 10% would save the most energy

The decrease of 2 protons & 2 neutrons from the nucleus of an atom is emitting a(n):

Burning fossil fuels which contain _______ produces acid rain.

The type of coal with the highest energy & lowest sulfur content is:

In the fission of heavy nuclei, mass is lost and _______ is produced

The energy in fossil fuels originally came from:

An example of a nonrenewable energy source is:

Chemical changes are caused by:

Isotopes are atoms of the same element that have different numbers of:

The total number of protons and neutrons in the nucleus of an atom is called the:

The conversion of one element to another is termed:

The part of the atom with a positive charge is the:

Horizontal rows on the periodic table are called: