Luis207 Luis207

20-01-2021
Physics

contestada

An atom of element X has one more
shell of electrons than an atom of
calcium, but it has one less valence
electron than calcium. Which element
is element X?

Respuesta :

nhinhutiensach nhinhutiensach

20-01-2021

Answer:

Rubidium or Rb

Explanation:

Use the periodic table, the period numbers are number of shells while the group numbers are numbers of valence electrons

Answer Link

Otras preguntas

What is the slope of the line of 8x - 6y = 1

the black sheep usually turns into the goat meaning

Shayna enlarged a square photo by adding 10 inches to each side so it could be seen on a large poster. The area of the enlarged photo is 256 square inches. In t

Sue downloads music videos on her phone. The cost of the video downloads (in dollars) is given by the equation c = 2v, where c is the total cost of the videos a

in a closed vessel containing water, the pressure is 18 torr. if we add more water to the vessel, this equilibrium pressure would...

Where did the Union Army go after the battle of Chickamauga?

Can ghee be frozen? This is a general question.

List the angles of WXY in order from least to greatest if WX=9x-7, XY = 12x-1, WY= 3x + 4, and the perimeter of WXY = 68.

DIRECTIONS: The following passages have a similar topic but different diction, tone and purpose. Read the passages, and then complete the chart. -Passage 1: Tho

The murder of millions of Jews in Germany became known as the ___________________ . 1. Genocide of the Jews 2. Murder of millions 3. Holocaust