biology
Molecular or covalent compounds
Non metals
How does a molecular compound compare to the elements that make up the compound?
The properties of a compound depend on the identity of the component elements, and not the chemical bonds they form.
Molecules are attracted to one another by Van der Waals forces. How do Van der Waals forces compare with ionic and covalent bonds?
Van der Waals forces are weaker than ionic and covalent bonds.
What number of mass does deuterium have
has a mass number of 2
atoms of an element..
have the same number of protons
Ionic
metal and nonmetal
Electron
negatively charged particle; located outside the atomic nucleus
Neutron
neutral charge, found in nucleus
Deuterium is an isotope of hydrogen. It has a mass number of two. Which describes a deuterium atom?
nucleus of one proton and one neutron, which is orbited by one electron
protons
positive charge, found in nucleus
All atoms have equal numbers of
protons and electrons
what happens when atoms approach one another
they may share or transfer their electrons
What is a molecule?
two or more atoms held together by covalent bonds
van der Waals
weak attractive forces between molecules when molecules are very close together
Molecular and covalent
-sharing of electrons
The atomic number of carbon is six, which means that a carbon atom has six protons. Carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. Which of these statements are true about carbon and its isotopes? Select all that apply.
All carbon atoms have six protons and six electrons. Atoms of some naturally occurring carbon isotopes may have six neutrons.
Deuterium
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.014
van der Waals forces
Are weaker than covalent and iconic forces that act within molecules
Ionic
Electrons get stolen and opposite changes attract
The atoms of isotopes
Have varying numbers of neutrons
When electrons transfer from one atom to another, both atoms become _________ and they are held together by a(n)_______bond. When electrons are shared between atoms, a(n)________bond forms between the atoms, and the joined atoms become a(n) ________
Ions,ionic,covalent,molecule