Hunting the Elements

There are _____________ unique substances (elements)

• 92

• 196

• 118

• 38

Tags

NGSS.MS-PS1-1

75% of the elements are _____________________

• metals

• nonmetals

• metalloids

The number of _______________ determines what kind of element the atom is.

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

Metals are shiny, malleable materials that conduct

• trains

• electricity

• no electric current

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Dmitri ________________________ , the grandfather of the periodic table, came up with a chart to organize all of the elements.

• Mendeleev

• Kulikov

• Shostakovich

Tags

NGSS.HS-PS1-1

The group on the far right of the table, the ____________ gases, are unwilling to react with other elements.

• halogen

• oxygen

• hydrogen

• noble

Protons may determine the identity of an element, but _______________ rule its reactivity

• neutrons

• nucleus

• electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The column just before the stable noble gases, are called the ____________________ which are craving just one electron in their outer shell.

• halogens

• oxygens

• carbon group

• alkali metals

Every time atoms form a new bond, the reaction releases __________________

• hydrogen

• energy

• oxygen

• frustration

Tags

NGSS.MS-PS3-5

This group is in the first column. They all have full shells, plus one extra electron they desperately want to get rid of.

• noble gases

• alkali metals

• alkaline earth metals

• halogens