A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of electrons and neutrons
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) digesting food B) breaking a pencil C) burning wood D) cooking eggs
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Valence Electrons B) Protons and Neutrons C) Protons D) Neutrons
A) density B) color C) pH D) shape
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are usually gases.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) They form compounds with very bright colors.
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 middle column of the periodic table. B) On the left-most side. C) In the bottom rows. D) On the right side.
A) number; mass B) location; ionization C) color; smell D) mass;number
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali Metals
A) Noble Gases B) Alkaline Earth C) Akali D) Halogens
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 4 B) 3 C) 5 D) 2
A) nonmetals B) metalloids C) metals
A) Ms. Watson B) Einstein C) Mosely D) Mendleev
A) alphabetically B) According to atomic mass C) according to atomic number D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) protons C) electrons D) nucleus
A) flammability B) reactivity C) color D) pH
A) breaking B) adding dye C) crushing D) burning
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) vary within the same element D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) grams B) meters C) hours D) kilograms
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 100 B) 1/1,000 C) 1,000 D) 1/100
A) independent B) dependent C) control D) constant
A) growth B) strawberries C) fertilizer D) length of study
A) independent B) control C) constant D) dependent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 16 B) 0 C) 10 D) 13
A) 18 B) 19 C) 35 D) 17
A) 14 B) 12 C) 26 D) 10
A) 2 B) 18 C) 8 D) 10
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 3 B) 2 C) 4 D) 1
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Thomson B) Shrodinger and Heisenburg C) Rutherford D) Bohr
A) Rutherford B) Bohr 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) Dalton C) Rutherford D) Bohr
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) positive charge B) larger mass C) smaller mass D) negative charge
A) positrons B) protons C) electrons D) neutrons
A) 72g/ml B) 0.33g/ml C) 1.33g/ml D) 3g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |