Properties of Water

In a molecule of water, which atom has has a positive charge?

• oxygen

• hydrogen

• both hydrogen and oxygen

• neither oxygen or hydrogen

Water is a supersolvent because many different substances dissolve in water.

• True

• False

Which of these has more cohesion.

• pure water

• soapy water

• they have the same cohesion.

There are _____________________ in water.

• 2 oxygen and 1 hydrogen atoms

• 3 hydrogen atoms

• 3 oxygen atoms

• 2 hydrogen and 1 oxygen atoms

Tags

NGSS.MS-PS1-1

In water, oxygen has a ______________ charge.

• positive

• negative

• super

• neutral

What is the ability of components to stick together called?

• cohorsion

• cohesion

• contortion

• dohesion

One molecule of water contains 3 atoms.

• True

• False

Tags

NGSS.MS-PS1-1

What does What does the H in the formula for water stand for?

• Water

• Oxygen

• Hydrogen

• atom

• the article doesn't mention it.

Tags

NGSS.MS-PS1-1

According to the article, what is the full chemical name of water?

• H-2-0

• hydrogen dioxide

• hydrogen oxide

• water

Water dissolves salt because

• it has cohesion

• it is hidrogenoxide

• it is a supersolvent

• it has surface tension