oscraftoc oscraftoc

22-01-2021
Chemistry

contestada

an atom has atomic number 20, in which group and in what period is this atom located?

Respuesta :

mynameisjeff27362 mynameisjeff27362

22-01-2021

Element: Calcium

Group: 2A/IIA(alkaline earth metals)

Period: 4

Ver imagen mynameisjeff27362

Answer Link

Otras preguntas

Which contribution did Madam J. Walker (1867-1919) make to the American economy?

Find the range for the data set6, 7, 8, 9, 10The range is __________

What differences have you noticed between artists’ status in Quattrocento Italy compared to their medieval predecessors? How does this compare to the way artist

To slow the set of gypsum and gain more working time into pouring a model, What should a person do?

Is it right to assume that initial potential energy in the spring is equal to the kinetic energy of the marble plus the kinetic energy of the spring at the poin

What type of energy is associated with high-frequency waves?A. High energyB. Low energyC. Medium energyD. Energy is not affected by frequency.

define perpendicular bisector theorem

Picture this: akindergarten classroom with toys everywhere: books, puzzles, woodenblocks with ABCs, and other deeply serious learning material spread aboutthe r

What is the most important prevention measure for each of the following: 1. Bacteria 2. Viruses 3. parasites 4. fungi 5. plant toxins 6. mushroom toxins 7. seaf

analyze how literary devices and elements create meaning in editorial cartoons. determine the perspective and purpose of a cartoonist. evaluate the effectivene