A student has two pieces of aluminum foil. Which best explains why both pieces behave the same way? (HINT: Aluminum is an element)

• They are composed of the same types atoms

• They are composed of different types of atoms

• They have the same chemical properties, but not the same physical properties

• They have the same physical properties but not the same chemical properties

Tags

NGSS.MS-PS1-1

Elements are pure substances made of ______ atoms

• like

• different

• a few

All atoms of the same element have the same number of _____

• protons

• neutrons

• electrons

Protons have a __________ charge

• positive

• negative

• neutral

neutrons have a __________ charge

• positive

• neutral

• negative

Electrons have a ________ charge

• positive

• neutral

• negative

Tags

NGSS.MS-PS2-3

True or false: all elements have properties that are different from any other element.

• True

• False

Which of the following is NOT one of the subatomic particles

• neutrons

• protons

• electrons

• decepticons

Tags

NGSS.MS-PS1-1

The smallest particle of an element that still retains all the properties of that element is a(n) __________

• neutron

• proton

• molecule

• atom

Which of the following is the chart that scientists use to organize the elements?

• there is no chart for organizing the elements

• the periodic table

• the kitchen table

• the periodic model