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- Multiple ChoicePlease save your changes before editing any questions.
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
- Multiple ChoicePlease save your changes before editing any questions.subatomic particles found on the outermost shell & responsible for the atom's reactivityneutronsvalence electronsisotopesions
- Multiple ChoicePlease save your changes before editing any questions.Subatomic particles with a positive chargeneutronsatomic massprotonsisotopes
- Multiple ChoicePlease save your changes before editing any questions.Value representing the number of protons in an elementAtomic MassMass NumberValence ElectronsAtomic Number
- Multiple ChoicePlease save your changes before editing any questions.Subatomic particles that are neutral in chargeNeutronsProtonsNucleusElectrons
- Multiple ChoicePlease save your changes before editing any questions.Where electrons are likely to be found as they travel around the nucleusNucleusElectron CloudWithin a ProtonWithin a Neutron
- Multiple ChoicePlease save your changes before editing any questions.A tiny but very dense, positively charged portion of the atom that holds most of the atomic massElectron ShellsOrbitalsElectron CloudNucleus
- Multiple ChoicePlease save your changes before editing any questions.Arrangement of elements organized by atomic numberElectron CloudPeriodic TableElectron ConfigurationNone of these
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A horizontal row of elements in the periodic table
Molecule
Period
Family
Atom
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What is one way Neutrons are different from electrons?
they both are negative
neutrons have no charge, while electrons have a negative charge
Both are in the nucleus( center of atom)
Electrons are inside nucleus and neutrons are outside the nucleus.
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What is the atomic number?
35
18
17
52
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How many protons and electrons does this element have?
35
18
17
52
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How many neutrons does calcium have?
20
40
60
0
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What is the atomic mass of Arsenic?
33
107
75
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The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
- Multiple ChoicePlease save your changes before editing any questions.An element's identity is determined by the number ofelectrons.protons.neutrons.valence.
- Multiple ChoicePlease save your changes before editing any questions.Which is an electron?ABC
- Multiple ChoicePlease save your changes before editing any questions.Which is a proton?ABC
- Multiple ChoicePlease save your changes before editing any questions.Which is a neutron?ABC
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Elements in the same group have the same
Properties
Number of electrons
Number of protons
Nucleus