Quiz Practice-Properties and Changes, Periodic Table, and Atoms

Who created the periodic table?

• Dmitri Mendeleev

• John Dalton

• Niels Bohr

• Gregor Mendel

How do you find the number of protons from the Periodic Table?

• Look at the atomic number

• Subtract neutrons from mass number

• Subtract the atomic number from the atomic mass

• Add the atomic number and the atomic mass

How do you find the number of electrons?

• atomic mass - atomic number

• Atomic symbol

• Atomic number

• Atomic mass

How do you find the number of neutrons?

• Mass number - atomic number

• Atomic number + protons

• Electrons + protons

• Atomic number

Where can you find protons and neutrons?

• in the nucleus

• in the electron cloud

• in the periodic table

• in the electron shell

What is the physical property?

• a characteristic that can be determined without changing the chemical identity of a substance

• a material's ability to change into new substances

• the ability of a substance to burn in the presence of oxygen

• a characteristic that can only be observed by changing the substance

What is a chemical property?

• a characteristic that can be determined without changing the chemical identity of a substance

• a material's ability to change into new substances

• the ability of a substance to burn in the presence of oxygen

What is flammability?

• the ability of a substance to burn in the presence of oxygen

• how easily two or more substances combine chemically

• a change of matter from one form to another

What is reactivity?

• the ability of a substance to burn in the presence of oxygen

• how easily two or more substances combine chemically

• a change of matter from one form to another

• the ability of a substance to burn in the presence of oxygen

Tags

NGSS.MS-PS1-2

What is a physical change?

• a change of matter from one form to another without a change in chemical properties

• a change in matter that produces one or more new substances

• the ability of a substance to burn in the presence of oxygen

Tags

NGSS.MS-PS1-4