subject
Chemistry, 16.11.2019 08:31 iBrain

Which is a way that the elements are grouped on the periodic table? (2 points)
elements in the same row have the same number of protons.
elements with similar bonding properties are in the same column.
elements in the same column have the same number of neutrons.
elements with similar mass are placed in the same column.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 11:00
Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
Answers: 2
question
Chemistry, 22.06.2019 23:00
Which of two curves exhibits exponential growth
Answers: 1
question
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
question
Chemistry, 23.06.2019 11:00
Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
You know the right answer?
Which is a way that the elements are grouped on the periodic table? (2 points)
elements in th...
Questions
question
Mathematics, 18.05.2021 01:00
question
Mathematics, 18.05.2021 01:00
question
Geography, 18.05.2021 01:00
Questions on the website: 13722362