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