80Br35
no of electron = 35
no of proton = 35
no of neutron = 45
180W74
no of electron = 72
no of proton = 74
no of neutron = 110
How many electrons, protons and neutrons in the following atoms or ions? a. _35^80 Br ____...
The following table gives numbers of electrons, protons, and neutrons in atoms or ions of a number of elements. Atom or Ion of Element Species A Species B Species C Number of Electrons 9 10 28 Number of Protons 9 7 30 Number of Neutrons 10 7 36 (a) Which of the species are neutral? A B C (b) Which are negatively charged? A B C (c) Which are positively charged? A ...
How many protons, electrons, and neutrons, respectivelydocs have? How many protons, electrons, and neutrons, respectively, does 70G23+ have? O a. 28, 31, 42 b.31. 28,70 O c. 28, 31, 39 O d. 31, 28, 39 e. 31, 31, 39
(c) 47 protons, 47 electrons, and 60 neutrons; (d) 53 protons, 53 electrons, and 74 neutrons; (@) 94 protons, 94 electrons, and 145 neutrons. 2.6 Chemical Formulas Review Questions 2.39 What does a chemical formula represent? What is the ratio of the atoms in the following molecular formulas? (a) NO. (b) NCI,,()N,0,,(0) P,06
• HE? 194 How many protons and neutrons are in 80 O 80 p and 114n 80 n and 114p none of these O 80 p and 194n O 80 n and 194p
How many protons, neutrons, and electrons are in one Br2+ ion? Write Below: a) How many No of Protons: b) How many No of Neutrons: C) How many No of Electrons:
14. How many protons, electrons, and neutrons are in an atom of a) 91 protons, 40 electrons, 51 neutrons 91 protons, 91 electrons, 40 neutrons 40 protons, 40 electrons, 51 neutrons 40 protons, 51 electrons, 91 neutrons abcd 15. What is the molecular weight of N.O.? Choose the closest value. a) 15 u 30u C) d) 54u 108 u
Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Has a negative charge: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Whether an atom will interact with other atoms depends on how many electrons it has. a) True b) False How many electrons are in the second orbital of an atom? a) 2 b) 6 c) 8 d) 4 e) 10 How many Hydrogen atoms does a water molecule have? a)...
How many protons, neutrons, and electrons are in: Fe3+—56 Question 9 options: 26 p, 30 n, 26 e 26 p, 56 n, 26 e 26 p, 30 n, 23 e 56 p, 30 n, 29 e 23 e, 56 n, 23 e
How many protons, neutrons and electrons are in a neutral atom of Ru-96 First blank: protons Second blank: neutrons Third blank: electrons
1. An atom of Indium-112 contains 49 protons, 63 neutrons, 49 electrons. b. 49 protons, 49 neutrons, 49 electrons. c. 49 protons, 49 alpha particles d. 49 protons, 63 neutrons. 2. Which of the following atomic symbols is incorrect? d. 3. How many atoms of hydrogen are present in 6.43 g of NH? a. 2.27 x 10 b. 1.28 x 10 1.16x 10 d. 6.82 10 4. A 2.55 ml sample of ethylene glycol antifreeze) has a mass of 2.83...