SC-69
Atoms
Lower Sec Science · Secondary 1 · Hard · Atoms
A newly discovered element X has atoms with 50 protons and 70 neutrons. Which statement about atoms of element X is correct?
- All atoms of X must have the same number of neutrons.
- Atoms of X have more electrons than protons.
- Atoms of X all have the same number of protons.
- Atoms of X are always positively charged.
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