Answer:
they are non metals and all hollagens gain one single electron to fill their valence energy level and all of them form an anion with one single negative charge. so i believe the answer is true
Explanation:
Answer:
From primary consumer to secondary consumer; that is the answer!
NiCl₂ commonly forms a green aqueous solution.
Wireless devices, wi-fi routers, granite countertops, microwaves, cigarettes (if you smoke in your house), older box-shaped tv’s, antiques (furniture, jewelry, silverware), smoke detectors ( some use small amounts of radioactive isotope, americium-241 to alert you when there’s smoke in the air, light bulbs, computer screens, electric blankets, garage door openers. Hope it helps.
Answer:
you can identify an unknown substance by measuring its density and comparing your results to a list of known densities. Density=mass/volume. Assume that you have to identify an unknown metal. You can determine the mass of the metal on a scale.