Atomic Structure & Periodic Table QUIZ

How many "valance electrons" are in chlorine?

• 7
• 2
• 17
• 8

Tags

NGSS.MS-PS1-1

Carbon-12, Carbon-13, and Carbon-14 are...

• ions
• isotopes
• electronegative
• radioactive

How many Protons does Bromine have?

• 45
• 79.904
• 80
• 35

A particle with a negative charge inside of an element is called

• isotope
• neutron
• proton
• electron

An isotope has...

• the same number of protons but different number of electrons
• same number of protons but different number of neutrons
• same number of electrons and neutrons
• same number of electrons, protons, and neutrons

Elements that are gases, brittle, and not conductive are

• Metals
• Metalloids
• Transition Metals
• Non-metals

An isotope of Carbon has a mass number of 14, how many protons, neutrons and electrons does this isotope have? Note: Carbon atoms normally have a mass number of 12.01.

• P6, N6, E6

• P6, N8, E6

• P8, N6, E8

• P6, N14, E6

Which is the best definition of an atom?

• The smallest unit of a substance that maintains its properties.

• The smallest unit of an element that maintains its properties.

• A substance that cannot be broken down in to simpler substances.

• Any sample that has definite chemical and physical properties.

Which statement about the atomic nucleus is most correct?

• The nucleus is made of protons and neutrons and has a negative charge.

• The nucleus is made of protons and neutrons and has a positive charge.

• The nucleus is made of electrons and has a positive charge.

• The nucleus is made of electrons and has a negative charge.

The [electric] charge of a proton is

• -2

• 0

• +1

• -1