pre lab questions: 1) the first element listed in the compounds shown in the data table are metals. write…

pre lab questions: 1) the first element listed in the compounds shown in the data table are metals. write down the atomic number, period number (row #), and group number (column #) for each \metal\ and place in each of the designated columns. 2) how does an electron move from its ground state to an excited state? when will you see a color?

pre lab questions: 1) the first element listed in the compounds shown in the data table are metals. write down the atomic number, period number (row #), and group number (column #) for each \metal\ and place in each of the designated columns. 2) how does an electron move from its ground state to an excited state? when will you see a color?

Answer

Explanation:

Step1: Find atomic numbers in periodic table

Look up the metals in the periodic - table to get their atomic numbers.

Step2: Determine period numbers

Locate the rows in the periodic table to find the period numbers for each metal.

Step3: Identify group numbers

Find the columns in the periodic table to get the group numbers for each metal.

Step4: Electron transition explanation

An electron moves from the ground state to an excited state by absorbing energy.

Step5: Color - appearance explanation

Color is seen when electrons return from excited states to ground states and emit photons of visible light.

Answer:

  1. You need to look up each metal in the periodic table to find its atomic number, period number, and group number and fill in the designated columns.
  2. An electron moves from its ground state to an excited state by absorbing energy. Color is seen when electrons return from excited states to ground states and emit photons in the visible - light range.