Atoms and the Periodic Table 2021

The smallest particle of an element that retains all the properties of that element. Contains protons neutrons and electrons.

• Atom

• Electron

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A subatomic particle with a charge of negative electricity, found in all atoms.

• Atom

• Electron

• Proton

• Neutron

Which statement correctly describes the location and charge of neutrons in an atom?

• The neutrons are inside the nucleus and have a negative charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are inside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

What is the difference in the number of electrons in an atom of silicon (Si) and an atom of iodine (I)?

• 67

• 39

• 98

• 98.815

How many protons, neutrons, and electrons are present in an atom of Barium (Ba) with a mass number of 138?

• 56 protons, 82 neutrons, and 56 electrons

• 56 protons, 138 neutrons, 82 electrons

• 56 protons, 81 neutrons, and 56 electrons

• 56 protons, 56 neutrons, and 56 electrons

An atom of a certain element has 14 protons, 14 electrons, and a mass number of 27. At room temperature it serves as an excellent semiconductor. How many neutrons are in this atom?

• 28

• 14

• 27

• 13

Tags

NGSS.MS-PS1-1

What is the mass number of a carbon (C) atom that has 8 neutrons?

• 12

• 12.011

• 14

• 14.011

This part of the atom is "Positively Charged"

• Proton

• Neutron

• Electron

• Won Ton

Tags

NGSS.MS-PS1-1

This part of the atom is

"Negatively charged" and orbits outside of the nucleus of the atom

• Neutron

• Electron

• Proton

• "No"ton

Tags

NGSS.MS-PS1-1

"Au" Gold, "Cu" Copper, 1 or 2 letters in each element box stands for what on the Periodic Table?

• Atomic Number

• Group Number

• Atomic Mass

• Element/ Chemical Symbol

Tags

NGSS.MS-PS1-1