subject
Chemistry, 01.09.2020 18:01 caydence24

Element R Elemento
12P
Which statement best describes the positions of the two elements in the periodic table?
O A. The two elements are in the same period, with Element R the first element in the period and Element Q the last element.
OB. The two elements are side by side in the same period, with Element Q to the left of Element R.
OC. The two elements are in the same group, with Element R just above Element Q.
D. The two elements are in the same group, with Element Q at the top of the group and Element R at the bottom.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)β†’4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
question
Chemistry, 23.06.2019 01:00
How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.
Answers: 2
question
Chemistry, 23.06.2019 01:30
Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180
Answers: 1
question
Chemistry, 23.06.2019 10:50
Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 β†’ nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.
Answers: 1
You know the right answer?
Element R Elemento
12P
Which statement best describes the positions of the two elements...
Questions
question
Mathematics, 18.09.2019 18:30
question
Mathematics, 18.09.2019 18:30
Questions on the website: 13722367