number of protons neutrons and electrons in the
Number of protons, neutrons and electrons in the element 231/89 y is:
(1) 89, 231, 89
(2) 89, 89, 242
(3) 89, 142, 89
(4) 89, 71, 89
Ans: 89, 142, 89
Expected delivery within 24 Hours
softening water with chemicals try making suds with a half test tube of hard water and a few drops of soap solution next boil a same sample and again
the number of electrons and neutrons of an element is 18 and 20 respectively its mass number is1 17 2
explain thermoplastic materialsthermoplastic materials the properties of such plastic materials do not change considerably when they are melted and
explain thermosetting plastic materialsthermosetting plastic materials they undergo huge changes while subjected to high temperatures for rather
number of protons neutrons and electrons in the element 23189 y is1 89 231 89 2 89 89 242 3 89 142 89 4
larry spends 34 hour twice a day walking and playing with his dog he also spends 16 hour twice a day feeding his dog how much time does larry spend
classify plastic materials into two categories describe their important properties and give two examples of eachplastic materials can be categorized
give four examples of natural insulating materialsillustrations of the natural insulating materials are rubber cotton wood and
how soap helps water in cleaningprepare two greasy cloths by smearing kitchen fat or vaseline on cloths wash one sample in warm water without soap
1945003
Questions Asked
3,689
Active Tutors
1424715
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following is a difference between barchan and parabolic dunes?
Question: Which of the following is true about sand dunes?
What are cross beds? inclined layers in sediment or sedimentary rocks that reveal the direction of wind transport inclined layers in sedimentary rocks
Question: Which of the following accurately describes the Basin and Range region of the western United States?
Question: Why does the crust subside slightly on either side of a melting glacier?
Question: Will plucking occur if a glacier is NOT advancing? No, because glacial ice is still moving inside the glacier even if the glacier's front is not adva
Question: In the first model, what happens as the layer of coarse material develops at the surface?