Answer:
you tilt the cylinder at a slight angle so that the metal slides down the sides, rather than drops all it`s weight to the bottom
Nonmetals form negatively charged ions, or anions. They do this because they need to gain one to three electrons in order to achieve an octet of valence electrons, making them isoelectronic with the noble gas at the end of the period to which they belong.
Answer:
D
Explanation:
D is not necessary to follow lab safety in Laboratory
Hetero means different. Examples could be heterogenous (different in form) or heterozygous (having two different forms of a gene).