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