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