Intro to Atoms

Which of the following is a positively charged subatomic particle found in the nucleus of an atom?

• Electron

• Proton

• Neutron

• Quark

Which of the following is a neutrally charged subatomic particle found in the nucleus of an atom?

• Electron

• Proton

• Neutron

• Quark

The central region of an atom where its neutrons and protons are found is the 

• nucleus. 

• electron cloud.

• core. 

• center. 

Where is all the mass of an atom located at?

• inside of the electrons

• on top of the atom

• outside the nucleus

• inside the nucleus

Tags

NGSS.MS-PS1-1

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

• 16 protons, 16 neutrons, and 16 electrons

• 16 protons, 32 neutrons, and 16 electrons

• 16 protons, 16 neutrons, and 32 electrons

• 32 protons, 16 neutrons, and 16 electrons.

Tags

NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

• 28

• 14

• 42

• 7

Tags

NGSS.MS-PS1-1

How many electrons are in the following atom of Nitrogen?

• 1 electron

• 5 electrons

• 7 electrons

• 14 electrons

Tags

NGSS.MS-PS1-1

How many protons does the atom of Beryllium have?

• 3 protons

• 4 protons

• 9 protons

• 13 protons

Tags

NGSS.MS-PS1-1

How many neutrons are shown in the following atom of Lithium?

• 2 neutrons

• 3 neutrons

• 4 neutrons

• 7 neutrons

Tags

NGSS.MS-PS1-1