15 questions
Water sticks to other substances, like this leaf. This is called...
Adhesion
Cohesion
Weak bonds between different water molecules are called
Covalent bonds
Ionic bonds
Polar bonds
Hydrogen bonds
When water molecules stick to other water molecules, beads form. This is because of...
cohesion
adhesion
solution
nonpolarity
Molecule in which opposite ends have opposite electric charges because of the uneven sharing of electrons.
cohesion
polar molecule
hydrogen bond
solution
capillary action
atoms
The hydrogens and oxygen is a single water molecule are held together by this type of bond
Ionic
Non polar covalent
Hydrogen
Polar covalent
The building block of matter and the smallest part of an element.
quark
electron
shell
atom
Protons and neutrons are found in the center of the atom called the:
nucleus
neutron
shell
cell
Substances that have only one kind of atom are called:
elements
nitrogen
electrons
nucleus
The abbreviation for an element:
element name
atomic number
chemical symbol
atomic symbol
Is water an element or a compound?
element
compound
neither
both
Two or more substances chemically combined is a(n)
compound
element
atom
electron
Ice is ______ than liquid water.
more dense
less dense
just as dense