1. electrons
2. metals
3. period
4. compound
a vertical column on the periodic
table
a homogeneous mixture whose
particles are too small to reflector
scatter light
negatively charged, subatomic
particles
two or more elements that have
chemically combined
elements that are malleable, polish
to a luster, conduct heat and electricity
well and tend to lose electrons in a
chemical reaction
a horizontal row on the periodic
table
positively charged, subatomic
particles found in the nucleus of the
atom
elements with properties
intermediate between those of metals
and nonmetals
5. solution
6. protons
7. group
8. metalloids
the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.
answered: Guest
Schist. hope it
answered: Guest
Humans can affect weathering and erosion in several ways. humans cause increases in acid rain and pollution, which increase the amount of weathering agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution
There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks
Why may some young adults go through a quarter-life crisis? a. they are entering middle age and feel distressed about growing old. b. they feel insecure about themselves and their future. c. they have been promoted to more secure, better-paying jobs. d. they have developed more stable personal relationships.