Show:
mixtures
Isotopes
electron configuration
Periodic table
bonding
100
What is a homogenous mixture
a mixture with uniform composition. it is the same throughout
100
what is an isotope
an isotope is an element with a different number of neutrons
100
what is electron configuration
the ways in which electrons are arranged in various orbitals
100
Which group of the period table contains the noble gases
8A
100
an ionic bond occurs between
a metal and a nonmetal
200
what is a heterogeneous mixture
a heterogeneous mixture does not have uniform composition. It is different throughout
200
because isotopes have different numbers of neutrons they also have different ________
mass numbers
200
what is the electron configuration of Boron
1s2 2S2 2p1
200
which group of the periodic table contains the Halogens
7A
200
a covalent bond occurs between
a nonmetal and a nonmetal
300
chicken noodle soup is a type of _____________ mixture
heterogenous
300
what is the mass number of carbon - 12
12
300
what is Pauli eclusion principle
an atomic orbital has at most 2 electrons with opposite spin
300
group 1A -7A are called the ________
representative elements
300
what is a polar covalent bond
electrons are shared unequally
400
olive oil and vinegar are a type of _______ mixture
homogenous
400
what is the atomic number of carbon- 12
6
400
The transitional metals are found ______
in group B
400
what is a hydrogen bond
a polar bond containing hydrogen with a strong attraction
500
Acetic acid is a type of ________ mixture
homogenous
500
give an example of an isotope
element - #
500
what is the Aufbau principle
Electrons occupy orbitals with the lowest energy levels first
500
The inner transitional metals have ___________
The highest occupied S level
500
is HCl polar or nonpolar
polar