<span>7 electrons in each outer shell
Group 17
Most reactive
Fluorine, Chlorine, Bromine, Iodine, Astatine
Alkali Metals:
1 electron is each outer shell
Group 1
Also reactive, but not as much as the halogens
Lithium, Sodium, Potassium, Rubidium, Cesium, Francium </span>
Cleaning materials
1. Cleaning powders
2. Cleaning liquids
a. Zonrox
b. Muriatic Acid
The complete and correct hierarchy of taxonomic groups from largest to smallest are:
1) Domain
1.1) Archaea 1.2) Bactera 1.3) Eukarya
2) Kingdom
2.1) Animalia 2.2) Plantae 2.3) Fungi 2.4) Protista 2.5) Archaea 2.6) Bacteria
3) Phylum - has 35 phyla
4) Class
5) Order
6) Family
7) Genus
<span>8) Species</span>
Answer:
Difference Between Endangered Species and Threatened Species. ... what are the other causes apart from humans that can drive an entire species to ... When a species exist no longer, it is considered as extinct.
B. Terrestrial and Aquatic
Answer:
yes
Explanation:
fishes lay thousands of eggs at one time in fact!!!
