Chemistry, 14.10.2020 19:01 sevanah5506
27. The electronic configuration of two elements are given below. Name
these elements. Write a molecular formula of the compound formedy
the combination of these elements. Write the chemical equation for the
chemical reaction takes place when thus formed compound is treated
with the HCI
a. 1s2s 2p b. 1s",2s 2p 3s
Answers: 2
Chemistry, 22.06.2019 07:00
At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure
Answers: 2
Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
Answers: 1
Chemistry, 22.06.2019 16:00
1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph
Answers: 1
27. The electronic configuration of two elements are given below. Name
these elements. Write a mole...
Physics, 21.09.2019 10:20
Social Studies, 21.09.2019 10:20
History, 21.09.2019 10:20
Biology, 21.09.2019 10:20
History, 21.09.2019 10:20
Business, 21.09.2019 10:20
World Languages, 21.09.2019 10:20
Biology, 21.09.2019 10:20