High School Scientific Terms

What is an atom?

• a large substance found in the ocean

• the smallest particle of an element that can exist on its own

• a column of elements on the periodic table

• Contains a

  nucleus with protons, neutrons, and an electron cloud

Tags

NGSS.MS-PS1-1

What is the center of an atom called?

• Nucleus

• Metal

• pH Scale

What is a proton?

• a large substance found in the ocean

• a row of elements in the periodic table

• a small subatomic particle that is positively charged

An electron is defined as _

• a substance added to chemical reactions used to speed up the rate of

  reaction

• a small subatomic particle that is negatively charged

• any substance with a pH greater than 7

Tags

NGSS.MS-PS2-3

What is the definition of a neutron?

• a small subatomic particle with no charge

• a large group of elements

• temperature where the liquid phase of a substance turns to a solid

What is an isotope?

• any substance with a pH greater than 7

• an element with the same number of protons but a different number of neutrons in the atom’s nucleus

• total number of atoms in a molecule

Define an ion

• Form of an element that has lost or gained electrons

• total number of electrons in a molecule

• temperature where the solid phase of a substance becomes a liquid

Tags

NGSS.MS-PS1-5

A negatively charge ion is a/an _

• anion

• period

• metal

A positively charged ion is a _

• Group

• Cation

• Nonmetal

Tags

NGSS.MS-PS1-1

An element is defined as _

• a natural or man-made substance that cannot be broken down into smaller parts or changed into another substance

• an organism that is unable to produce its own food

• a structure of the moon

Tags

NGSS.MS-PS1-1