periodc table study

What is an element?

• An element is a mixture of different atoms.
• An element can be broken down into simpler substances.
• An element is a type of molecule made of two or more atoms.
• An element is a substance that cannot be broken down into simpler substances.

What is the nucleus?

• The nucleus is an atom that is made up of protons and neutrons.

• The nucleus is the outer layer of a cell.
• The nucleus is responsible for energy production in a cell.
• The nucleus is a type of protein found in cells.

Tags

NGSS.MS-LS1-2

What is a proton?

• A proton is a type of chemical bond between atoms.
• A proton is a positively charged subatomic particle found in the nucleus of an atom.
• A proton is a negatively charged particle in the electron cloud.
• A proton is a large molecule made of proteins and carbohydrates.

What is a neutron?

• A neutron is an electron found in the outer shell of an atom.
• A neutron is a particle with almost the same mass as a proton but it is electrically neutral.

• A neutron is a positively charged particle in the nucleus.
• A neutron is a type of chemical bond between atoms.

What is an electron?

• A form of electromagnetic radiation.
• A positively charged particle found in the nucleus.
• A type of chemical bond between atoms.
• An electron is a negatively charged subatomic particle.

What is the mass number?

• The sum of the protons and neutrons

• The average of all the atomic masses of the isotopes of an element.

• The number of protons in an atom's nucleus

• The total number of electrons and protons

What is the atomic number?

• The atomic number tells you the mass of an atom

• The total number of particles in the nucleus of an atom

• The number of protons in an atoms nucleus

• The atomic number is the number of energy levels an atom has

What is an isotope?

• An isotope is a variant of an element with the same number of protons but different numbers of neutrons.
• An isotope is a molecule made up of different elements.
• An isotope is an element with the same number of neutrons but different protons.
• An isotope is a type of chemical bond between elements.

What is an Ion?

• An ion is a type of chemical bond

• An ion is a molecule with no charge

• An ion is a neutral atom.
• atom that gains or loses an electron and has a net electric charged.

Tags

NGSS.MS-PS1-5

What is a compound?

• A compound is a substance made up of two or more elements chemically combined in a fixed ratio.
• A compound is a type of chemical reaction that occurs between elements.
• A compound is a mixture of different substances without any fixed ratio.
• A compound is a single element in its pure form.