Which statement accurately describes the atoms of a specific element? A. An indium‚ In‚ atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus. B. A scandium‚ Sc‚ atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus. C. An aluminum‚ Al‚ atom contains 27 electrons and 27 protons inside the nucleus. D. A zinc‚ Zn‚ atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.
Answers: 3
Another question on Chemistry
Chemistry, 21.06.2019 14:30
Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.
Answers: 1
Chemistry, 21.06.2019 21:30
Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass
Answers: 1
Chemistry, 22.06.2019 10:00
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
Answers: 2
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
You know the right answer?
Which statement accurately describes the atoms of a specific element? A. An indium‚ In‚ atom contain...
Questions
Mathematics, 31.03.2020 19:32
Chemistry, 31.03.2020 19:33
English, 31.03.2020 19:33
Physics, 31.03.2020 19:33
Mathematics, 31.03.2020 19:33
