Answer is potassium and sodium. They are in the same group and that means they have the same properties. They are all alkali metals
Answer:
Eu não falo português, usei o Google Translate. Desculpe se o texto está incorreto!
Explanation:
A corrente é um fluxo de carga. A corrente é medida através de um componente. Diferença potencial é a energia usada entre dois pontos em um circuito.
Explanation:
Selenium and tellurium are rare elements, respectively, in order of crustal abundance. However, polonium, on account of its radioactive decay, is less abundant. The main source of selenium and tellurium is the anode slime deposited during the electrolytic refining of copper.
Answer: Heterogeneous Catalyst
Explanation: The word heterogeneous means "different phases" or insoluble in science.
