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What does PB mark on jewelry mean?
The "PB" is probably the manufacturer, The manufacturer is most likely Paul Brackna (PB), who is a master goldsmith and jewelry designer.
What does the elevator button mark PB stand for in Spanish-speaking Countries?
PB means Planta Baja (lower level)
Triangle pqr is an isosceles triangle in which pq equals pr equals 5cm it is circumscribed about a circle prove that qr is bisected at point of contact?
Suppose the circle meets QR at A, RP at B and PQ at C. PQ = PR (given) so PC + CQ = PB + BR. But PC and PB are tangents to the circle from point P, so PC = PB. Therefore CQ = BR Now CQ and AQ are tangents to the circle from point Q, so CQ = AQ and BR and AR are tangents to the circle from point R, so BR = AR Therefore AQ = AR, that is, A is the midpoint of QR.
What does 14kPD mean on a ring?
It may be PB, not PD? part of the B may be worn away...if you have a loupe or magnifying glass you should look closely... a P or PB after the karat mark stands for Plumb...which means it is exactly 14K gold. 14K gold is softer than 10K and wears away easily, especially on rings. Or,... it could also be a makers mark.
What is the diameter of the circumscribed circle if bp equals 5x plus 2 and cp equals 3x plus 10?
The answer depends on what pb and cp are!
What does peanut butter go best with?
Cellery and PB PB & Jelly Chocolate and PB
What does the acronym PB stand for?
In the Penetrant PB B'laster, the PB stands for Penetrating B'laster.
How many molecules is in 291.25g of Pb's?
291.25 grams of lead (1 mole Pb/207.2 grams)(6.022 X 10^23/1 mole Pb) = 8.4648 X 10^23 atoms of lead I think you meant to say atoms, not molecules, as that is not a molecular formula and looks a lot like the symbol for lead with a possessive mark and s.
Is Pb a element or compound?
Pb is a compound.
What is the Atomic Symbol for Lead?
Pb , derived from Plumbum.
How many protons does Pb have?
Lead or Pb ALWAYS has 82 protons.
The symbol Pb on the periodic table stands for?
Pb=Lead
