DeBroglie's radical idea was that if light can have both particle and wave characteristics then so could particles. In mathematical terms it is generally written as

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.