Intro to Periodic Table Homework

the positively charged subatomic particle contained in the nucleus of an atom

• proton

• neutron

• electron

• matter

a negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Tags

NGSS.MS-PS1-1

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Electrons move around _______________ the nucleus and have a negative charge.

• inside
• outside
• on top of
• without

Tags

NGSS.MS-PS1-1

The center of an atom is called the______________.

• middle
• top
• nucleus
• electron

All matter is made of tiny particles called___________________

• atoms
• bits
• dust
• molecules

Tags

NGSS.MS-PS1-1

What are the 2 parts of the nucleus?

• protons and electrons
• protons and neutrons
• particles and molecules
• protons and mass

The symbol of an element is always the first 2 letters of the element's name.

• true
• false

Which particle of an atom has a positive charge?

• proton
• neutron
• electron
• nucleus