The ground-state electron configuration for an element is \text{[Ar]}3d^74s^2[Ar]3d
7
4s
2
start text, open bracket, A, r, close bracket, end text, 3, d, start superscript, 7, end superscript, 4, s, squared
You may also see this electron configuration written as
\text{[Ar]}4s^23d^7[Ar]4s
2
3d
7
start text, open bracket, A, r, close bracket, end text, 4, s, squared, 3, d, start superscript, 7, end superscript
Which of the following is the identity of the element?

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring