Quiz 1 Protons-Neutrons-Elecrtons

Which description about the proton is accurate?

• Positively charged particle with a mass less than 0 amu
• A neutrally charged particle with a mass less than 0 amu
• Positively charged particle with a mass of 1 amu
• A neutrally charge particle with a mass of 1 amu

Tags

HS-PS1-1

What is the role of a proton in an atom?

• Protons live inside the nucleus and carry a neutral charge.

• Protons circle the nucleus and have a positive charge.

• Protons circle the nucleus and have a negative charge.

• Protons live inside the nucleus and have a positive charge.

All the atoms of any single element ____ have the same number of protons.

• sometimes
• always
• never
• mostly

Where are protons located in the atom?

• orbitals
• nucleus
• rings
• positive

Which of the following is NOT an accurate description of the nucleus?

• positively charged from the protons
• extremely dense from neutrons and protons
• negatively charged
• in the center of the atom

How many protons does Argon have?

• 40

• 39.948

• 18

• 39

What is the atomic number of Argon?

• 18

• 39.948

• 39

• 40

The number of protons is always the same as what?

• atomic number
• atomic mass

• number of neutrons

• number of electrons

Changing the number of protons happens ...

• only during nuclear reactions

• in nuclear reactions and chemical reactions

• only during chemical reactions

• only at the boiling point

What is the atomic symbol for an atom with 12 protons and 14 neutrons?

• Mn

• Fe

• Si

• Mg