A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) digesting food B) breaking a pencil C) cooking eggs D) burning wood
A) Discovery Date B) Atomic Number C) Atomic Mass D) Alphabetical Order
A) Protons and Neutrons B) Valence Electrons C) Protons D) Neutrons
A) density B) shape C) color D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They are extremely rare in nature.
A) are all metals B) are nonreactive C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) On the right side. C) On the left-most side. D) In the middle column of the periodic table.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 3 neutrons B) 8 neutrons C) 6 neutrons D) 12 neutrons
A) Alkaline Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkaline Earth B) Halogens C) Akali D) Noble Gases
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 3 B) 2 C) 5 D) 4
A) metalloids B) metals C) nonmetals
A) Mosely B) Mendleev C) Einstein D) Ms. Watson
A) According to atomic mass B) according to atomic number C) by date discovered D) alphabetically
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) nucleus B) protons C) neutrons D) electrons
A) pH B) flammability C) color D) reactivity
A) density B) pH C) texture D) shape
A) adding dye B) burning C) breaking D) crushing
A) rusting B) burning C) precipitate forming D) breaking
A) can be observed with senses B) vary within the same element C) only can be seen in a few elements D) can only be observed by changing the substance
A) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) second B) liters C) kelvin D) meters
A) hours B) kilograms C) grams D) meters
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) control B) constant C) dependent D) independent
A) length of study B) fertilizer C) growth D) strawberries
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) control B) independent C) constant D) dependent
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 16 B) 0 C) 13 D) 10
A) 17 B) 19 C) 18 D) 35
A) 14 B) 10 C) 26 D) 12
A) 2 B) 18 C) 8 D) 10
A) 0.57 amu B) 5.7 amu C) 115 amu D) 57 amu
A) 3 B) 4 C) 1 D) 2
A) 67.2 mol B) 0.5 mol C) 2 mol D) 89.6 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Shrodinger and Heisenburg B) Rutherford C) Thomson D) Bohr
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Chadwick B) Bohr C) Dalton D) Rutherford
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) Electron number never changes.
A) negative charge B) smaller mass C) larger mass D) positive charge
A) protons B) electrons C) positrons D) neutrons
A) 0.33g/ml B) 72g/ml C) 3g/ml D) 1.33g/ml
A) 10.7g B) 16g C) 17.5g D) 0.094g |