Do alkaline earth metals have 2 valence electrons? Reactions of Alkaline Earth Metals All the alkaline earth metals have two electrons in their valence shell, so they lose two electrons to form cations with a 2+ charge. In chemical terms, all of the alkaline metals react with the halogens to form ionic alkaline earth metal…

read more

What elements form covalent molecules? Covalent Elements hydrogen. carbon. nitrogen. phosphorus. oxygen. sulfur. selenium. What is the nature of covalent compounds? Covalent compounds have bonds where electrons are shared between atoms. Due to the sharing of electrons, they exhibit characteristic physical properties that include lower melting points and electrical conductivity compared to ionic compounds. How…

read more

What do you call a chemist? Synonyms: pharmacist, apothecary [obsolete], pharmacologist, dispenser More Synonyms of chemist. 2. countable noun. A chemist is someone who works in a chemist’s shop and is qualified to prepare and sell medicines. [British]regional note: in AM, use druggist, pharmacist. Is chemist a profession? Chemists conduct research, improve or develop concepts,…

read more

Which is bigger Carlsbad Caverns or Mammoth Cave? Visitors often ask if Carlsbad Cavern is bigger than Mammoth Cave, a national park located in Kentucky. The answer is that it is both bigger and smaller at the same time! However, with 412 miles mapped, Mammoth Cave is the longest surveyed cave in the entire world.…

read more

What was the leg called in the triangular trade? middle passage The first leg was the journey from Europe to Africa where goods were exchanged for slaves. The second, or middle, leg of the journey was the transportation of slaves to the Americas. It was nicknamed the ‘middle passage. ‘ What is the leg of…

read more

How do you round up to 10? Here’s the general rule for rounding: If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40. If the number you are rounding is followed by 0, 1, 2, 3, or…

read more

Which of the following occurred as a result of the Sherman Anti Trust Act? Which of the following occurred as a result of the Sherman Antitrust Act? Workers secured a greater share of company profits. Which statement best expresses a common belief among nativists in the late 1800’s and early 1900’s? Which statement best expresses…

read more

What makes epithelial tissue unique? What makes epithelial tissue unique? Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another. Epithelial layers are avascular, but innervated. Epithelial cells have two surfaces that differ in both structure and function. Is epithelial tissue specialized? Epithelia can be specialized to…

read more

Where can you find cactus? Where Do They Grow? Most cactus species grow in hot, dry regions. In North America they are prevalent in Mexico and many parts of the Southwestern United States. But cactuses can also be found on mountains, in rain forests, and some even grow in Alaska and near Antarctica. Where do…

read more

What lights must power driven vessel less than 20 meters? Power vessels more than 12 metres in length but less than 20 metres in length shall exhibit: • A masthead light, separate sidelights and stern light or; • A masthead light, combined sidelights and stern light. What lights must a power driven vessel display when…

read more