molecular bonds
what are molecular bonds held together by?
ionic bonds
where was moscovium discovered
Dubna, Russia
How many electrons fit on the first energy level?
2
What is the "Brain" of the atom?
the nucleus
what number tells you the amount of protons and electrons?
Atomic number
what bonds hold together intemetallic compounds
metallic bonds
what does ductile mean
able to be drawn into a thin wire
what element is a solid and named after a state with 253 neutrons?
californium
what particle has a positive charge?
protons
how do you figure out the number of electrons?
subtract the atomic number from the atomic mass
how does a molecular bond form?
atoms bond by sharing a pair of electrons
what does malleable mean
abled to be hammered or pressed permanently out of shape without breaking
how many electrons fit on the third energy level?
18
what particle has no charge?
neutron
how do you find an element's atomic mass?
add the number of protons and electrons together
which molecular bond is the strongest?
covalent bond or a chemical bond
covalent bond
what element isn't a noble gas
nitrogen
what element is a gas with 22 neutrons?
Argon
what particle has a negative charge?
electrons
how many liquids are on the periodic table?
2
how many types of molecular bonds are there?
two ionic bond and covalent bond
which metal is always a liquid
mercury
what is an electron cloud model?
The electrons spinning around the nucleus spinning so fast it looks like a cloud
what subatomic particle is not inside the nucleus?
Electrons
what does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive and element is