A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) 0 B) - C) +
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Atomic Number B) Atomic Mass C) Discovery Date D) Alphabetical Order
A) Valence Electrons B) Protons and Neutrons C) Protons D) Neutrons
A) pH B) density C) shape D) color
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons. B) neutrons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are usually gases.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are extremely rare in nature. 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) On the right side. C) In the middle column of the periodic table. D) In the bottom rows.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Noble Gases B) Alkali Metals C) Halogens D) Alkaline Earth
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 4 B) 2 C) 5 D) 3
A) metalloids B) nonmetals C) metals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) according to atomic number B) According to atomic mass C) alphabetically D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic mass D) Atomic Number
A) protons B) neutrons C) nucleus D) electrons
A) flammability B) pH C) color D) reactivity
A) adding dye B) crushing C) breaking D) burning
A) can only be observed by changing the substance B) only can be seen in a few elements C) vary within the same element D) can be observed with senses
A) cn only be observed by changing the substance B) vary within the same element C) only can be observed in a few elements D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) it will float B) not enough information C) it will sink
A) grams B) meters C) hours D) kilograms
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) constant B) control C) independent D) dependent
A) growth B) strawberries C) fertilizer D) length of study
A) dependent B) independent C) constant D) control
A) stirring rod B) tongs C) beaker D) graduated cylinder
A) 13 B) 0 C) 16 D) 10
A) 17 B) 18 C) 19 D) 35
A) 12 B) 26 C) 10 D) 14
A) 2 B) 18 C) 10 D) 8
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 3 B) 2 C) 4 D) 1
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Rutherford B) Thomson C) Democritus D) Chadwick
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr
A) Dalton B) Bohr C) Thomson D) Rutherford
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) Rutherford B) Dalton C) Bohr D) Chadwick
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) larger mass B) negative charge C) smaller mass D) positive charge
A) neutrons B) protons C) electrons D) positrons
A) 0.33g/ml B) 3g/ml C) 1.33g/ml D) 72g/ml
A) 24g B) 0.094g C) 10.7g D) 17.5g |