Answer:
Lithium,sodium, beryllium, aluminum form cations and the rest form anions
Explanation:
i think the question should be rephrased as 'which elements form cations".
I think the answer is a). There are 20 kinds of amino acid can form peptides and proteins. There are many possible combinations. And there are also different folding forms and structure that can lead differences in properties.
Answer:
Frequency is the rate at which something occurs or is repeated over a particular period of time
Explanation:
The frequency is like wave patterns including sound, electromagnetic waves, electrical signals, or other waves, this expresses the number of cycles of the repetitive waveform per second.
