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by BlastRoom
Practice identifying subatomic particles by charge, mass, location, and neutral-atom counts.
#chemistry
40 questions
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In an atom, what charge does a proton carry?
Where is a neutron located in an atom?
Which mass best describes an electron in a high school chemistry model?
A proton is found in which part of an atom?
What charge is carried by a neutron?
Compared with a proton, how much mass does a neutron have?
Where are electrons located in the modern model of an atom?
What is the approximate mass of a proton?
Which particle's negative charge balances a proton's positive charge in a neutral atom?
A sodium atom loses one electron to form Na+. Which statement describes the location of a proton in the ion?
Which property of a neutron explains why it does not change an atom's net charge?
Which particle contributes the least to an atom's mass?
What is the relative charge of an electron?
Which subatomic particle has a mass of about 1 amu and a positive charge?
In the nucleus, which particle adds mass but not charge?
Most of an atom's volume is taken up by which region?
Which particle in the nucleus determines the atomic number of an element?
Which property best describes a proton's mass compared with an electron's mass?
A particle is found outside the nucleus, has a charge of -1, and has very little mass. Which particle is it?
A particle has a charge of 0 and a mass of about 1 amu. Which subatomic particle matches?
Which particle is found in the nucleus and has a relative charge of +1?
When atoms react to form compounds, which particle do they share or transfer?
Which subatomic particle did James Chadwick discover in 1932?
Which particle's number stays the same when an atom forms an ion or becomes a different isotope of the same element?
Which particle is outside the nucleus and has the charge that makes an anion negative when gained?
A particle in the nucleus changes the isotope when its number changes, but it does not change the element's identity. Which particle is it?
Which particle has a charge equal in size but opposite in sign to an electron's charge?
A subatomic particle is part of the nucleus and has no effect on atomic number. Which particle is it?
Which particle must be counted to find the total positive charge in the nucleus?
Why are electrons left out when an atom's mass number is calculated?
An atom has mass number 23 and atomic number 11. Which particle does it have 12 of?
Which particle is counted along with neutrons to calculate an atom's mass number?
A neutral nitrogen atom has atomic number 7. How many protons does it have?
The atomic number of oxygen is 8. In a neutral oxygen atom, how many electrons are present?
A neutral sodium atom has atomic number 11. What is its electron count?
Carbon has atomic number 6. How many protons are in one neutral carbon atom?
A neutral magnesium atom has atomic number 12. How many electrons does it contain?
The atomic number of aluminum is 13. How many protons are in a neutral aluminum atom?
A neutral argon atom has atomic number 18. Which electron count is correct?
Calcium has atomic number 20. In a neutral calcium atom, how many protons are present?
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Isotopes and Isotope Notation
24 questions
