Atoms and Periodic Table Summative Assessment (labs 2.4 and 2.5)

Which element has an atomic number of 1?

• Helium

• Hydrogen

• Oxygen

• Carbon

What is an atom?

• a negatively charged particle found outside of the nucleus

• A positively charged particle found in the nucleus of an atom

• A group of two or more different elements bonded together with a neucleus

• the smallest particle of an element that has physical and chemical properties. Contains protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

What is the charge of an electron?

• positive
• negative
• neutral
• none

What is the charge of a proton?

• positive
• negative
• neutral
• none

What is the charge of a neutron?

• positive
• negative
• neutral
• none

What is the atomic number of K?

Tags

NGSS.MS-PS1-1

What is the atomic mass of K?

How many PROTONS does K have?

How many NEUTRONS does K have?

Tags

NGSS.MS-PS1-1

How many ELECTRONS does K have?

Tags

NGSS.MS-PS1-1