Explain how the copper could be in the lake sample near the picnic area but not have been detected by this test.

Matter- occupies space and possesses rest massno matter is the opposite

The metal is named first

Idon't know hope someone you

Order of filling levels and sublevels of electrons: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²3f¹⁴5d¹⁰6p⁶for an element with 5 electrons in the 3d energy level: full configuration: 1s²2s²2p⁶3s²3p³.