Lesson 3 ~ Bonding and the Periodic Table

What are valence electrons

• Atoms that are on the outer rng of the atom

• Electrons with the highest energy in an atom

• Atoms with the highest energy

• Both A and B

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a compound?

• Mixtures that form when atoms from 2 or more elements bond together

• Substances that form when atoms from at least 1 element bond together

• Substances that form when atoms from 2 or more elements bond together

• Mixtures that form when atoms from at least 1 element bond together

Tags

NGSS.MS-PS1-1

What are the elements organized by?

• Increasing atomic mass

• Increasing atomic number

• Decreasing atomic mass

• Decreasing atomic number

What is reactivity based on?

• The speed of atoms colloding into each other

• The ease and speed with which an element reacts with other substances

• The ease and speed with which an element combines with other substances

• The interaction of valence electrons

Tags

NGSS.HS-PS1-5

A malleable material is one that an be hammered or rolled into flat sheets or other shapes?

• True

• False

• Maybe

• yee

what is a ductile?

• A material that can be pulled out, or drawn into long wires

• A material that is stiff

• A material that is glittery

• A material that is dull

A semiconducter can conduct electric current under some conditions.

• False

• True

• I don't know

• yee

All of the elements in group 1 are highly reactive, so ___ readily reacts with other elements.

Tags

NGSS.MS-PS1-5

Energy level 1can hold up to ___ valence electrons

Energy level 2 can hold up to ___electrons