subject
Chemistry, 25.02.2021 01:10 leomessifanboy678

Students in a science class prepared flash cards so that they could quiz one another about the arrangement of the periodic table. One of the flash cards contained information about two elements, Element L and Element M. Atoms of Element M have two more valence electrons than atoms of Element L.
Atoms of Element L are more reactive than atoms of Element M.
Both elements are metals.

Which of the answer choices fits the information given?

a. Sodium and Aluminum

b. Beryllium and Calcium

c. Silicon and Sulfur

d. Potassium and Calcium

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 17:10
A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?
Answers: 1
question
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
question
Chemistry, 23.06.2019 01:30
Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?
Answers: 2
question
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
You know the right answer?
Students in a science class prepared flash cards so that they could quiz one another about the arran...
Questions
question
Chemistry, 08.09.2019 23:20
question
Mathematics, 08.09.2019 23:20
Questions on the website: 13722361